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74668733420 = 22531412937401
BaseRepresentation
bin100010110001010011…
…0100111001111101100
321010201210101200010012
41011202212213033230
52210410143432140
654145150032352
75252234522231
oct1054246471754
9233653350105
1074668733420
112973760a646
121257a4a86b8
13706c77bac8
143884ac5788
151e2042e265
hex11629a73ec

74668733420 has 48 divisors (see below), whose sum is σ = 165810468096. Its totient is φ = 28199040000.

The previous prime is 74668733413. The next prime is 74668733423. The reversal of 74668733420 is 2433786647.

It is not an unprimeable number, because it can be changed into a prime (74668733423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443281 + ... + 1494120.

It is an arithmetic number, because the mean of its divisors is an integer number (3454384752).

Almost surely, 274668733420 is an apocalyptic number.

It is an amenable number.

74668733420 is an abundant number, since it is smaller than the sum of its proper divisors (91141734676).

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

74668733420 is a wasteful number, since it uses less digits than its factorization.

74668733420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937482 (or 2937480 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 74668733420 in words is "seventy-four billion, six hundred sixty-eight million, seven hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 41 62 82 124 155 164 205 310 410 620 820 1271 2542 5084 6355 12710 25420 2937401 5874802 11749604 14687005 29374010 58748020 91059431 120433441 182118862 240866882 364237724 455297155 481733764 602167205 910594310 1204334410 1821188620 2408668820 3733436671 7466873342 14933746684 18667183355 37334366710 74668733420