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74671700 = 22525373193
BaseRepresentation
bin1000111001101…
…10011001010100
312012111201022112
410130312121110
5123103443300
611224250152
71564461515
oct434663124
9165451275
1074671700
1139171a54
1221010958
131261604c
149cbaa0c
15684ee35
hex4736654

74671700 has 72 divisors (see below), whose sum is σ = 168223608. Its totient is φ = 28753920.

The previous prime is 74671687. The next prime is 74671711. The reversal of 74671700 is 717647.

It can be written as a sum of positive squares in 12 ways, for example, as 18541636 + 56130064 = 4306^2 + 7492^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386804 + ... + 386996.

It is an arithmetic number, because the mean of its divisors is an integer number (2336439).

Almost surely, 274671700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74671700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84111804).

74671700 is an abundant number, since it is smaller than the sum of its proper divisors (93551908).

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

74671700 is a wasteful number, since it uses less digits than its factorization.

74671700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 74671700 is about 8641.2788405421. The cubic root of 74671700 is about 421.1001016381.

The spelling of 74671700 in words is "seventy-four million, six hundred seventy-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 53 73 100 106 146 193 212 265 292 365 386 530 730 772 965 1060 1325 1460 1825 1930 2650 3650 3860 3869 4825 5300 7300 7738 9650 10229 14089 15476 19300 19345 20458 28178 38690 40916 51145 56356 70445 77380 96725 102290 140890 193450 204580 255725 281780 352225 386900 511450 704450 746717 1022900 1408900 1493434 2986868 3733585 7467170 14934340 18667925 37335850 74671700