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74696864 = 2511212207
BaseRepresentation
bin1000111001111…
…00100010100000
312012112222211112
410130330202200
5123110244424
611225002452
71564625054
oct434744240
9165488745
1074696864
1139189950
1221023428
1312624638
149cc5c64
15685760e
hex473c8a0

74696864 has 24 divisors (see below), whose sum is σ = 160429248. Its totient is φ = 33952960.

The previous prime is 74696857. The next prime is 74696903. The reversal of 74696864 is 46869647.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105752 + ... + 106455.

It is an arithmetic number, because the mean of its divisors is an integer number (6684552).

Almost surely, 274696864 is an apocalyptic number.

It is an amenable number.

74696864 is an abundant number, since it is smaller than the sum of its proper divisors (85732384).

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

74696864 is a wasteful number, since it uses less digits than its factorization.

74696864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212228 (or 212220 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 74696864 is about 8642.7347523802. The cubic root of 74696864 is about 421.1473992214.

The spelling of 74696864 in words is "seventy-four million, six hundred ninety-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 212207 424414 848828 1697656 2334277 3395312 4668554 6790624 9337108 18674216 37348432 74696864