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74668027392 = 29337771619
BaseRepresentation
bin100010110001010001…
…1111010111000000000
321010201202001210122000
41011202203322320000
52210410003334032
654145122544000
75252225521650
oct1054243727000
9233652053560
1074668027392
1129737178152
121257a208000
13706c59263a
143884980360
151e2033ee7c
hex11628fae00

74668027392 has 160 divisors (see below), whose sum is σ = 252597523200. Its totient is φ = 21333694464.

The previous prime is 74668027391. The next prime is 74668027393. The reversal of 74668027392 is 29372086647.

It is an interprime number because it is at equal distance from previous prime (74668027391) and next prime (74668027393).

It is a super-2 number, since 2×746680273922 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74668027391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289042 + ... + 482577.

It is an arithmetic number, because the mean of its divisors is an integer number (1578734520).

Almost surely, 274668027392 is an apocalyptic number.

74668027392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74668027392 is an abundant number, since it is smaller than the sum of its proper divisors (177929495808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74668027392 is an equidigital number, since it uses as much as digits as its factorization.

74668027392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771653 (or 771631 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 74668027392 in words is "seventy-four billion, six hundred sixty-eight million, twenty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 512 576 672 756 768 864 896 1008 1152 1344 1512 1536 1728 1792 2016 2304 2688 3024 3456 3584 4032 4608 5376 6048 6912 8064 10752 12096 13824 16128 24192 32256 48384 96768 771619 1543238 2314857 3086476 4629714 5401333 6172952 6944571 9259428 10802666 12345904 13889142 16203999 18518856 20833713 21605332 24691808 27778284 32407998 37037712 41667426 43210664 48611997 49383616 55556568 64815996 74075424 83334852 86421328 97223994 98767232 111113136 129631992 145835991 148150848 166669704 172842656 194447988 197534464 222226272 259263984 291671982 296301696 333339408 345685312 388895976 395068928 444452544 518527968 583343964 592603392 666678816 691370624 777791952 888905088 1037055936 1166687928 1185206784 1333357632 1382741248 1555583904 1777810176 2074111872 2333375856 2666715264 2765482496 3111167808 3555620352 4148223744 4666751712 5333430528 6222335616 8296447488 9333503424 10666861056 12444671232 18667006848 24889342464 37334013696 74668027392