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74615044 = 22726172
BaseRepresentation
bin1000111001010…
…00100100000100
312012101211121011
410130220210010
5123100140134
611223132004
71564134400
oct434504404
9165354534
1074615044
1139133429
1220ba4004
13125c631a
149ca4100
15683d264
hex4728904

74615044 has 27 divisors (see below), whose sum is σ = 152141493. Its totient is φ = 31926048.

The previous prime is 74615041. The next prime is 74615053. The reversal of 74615044 is 44051647.

The square root of 74615044 is 8638.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 72454144 = 1470^2 + 8512^2 .

It is a super-2 number, since 2×746150442 = 11134809582243872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74614997 and 74615015.

It is not an unprimeable number, because it can be changed into a prime (74615041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120624 + ... + 121240.

Almost surely, 274615044 is an apocalyptic number.

74615044 is the 8638-th square number.

It is an amenable number.

74615044 is an abundant number, since it is smaller than the sum of its proper divisors (77526449).

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

74615044 is an equidigital number, since it uses as much as digits as its factorization.

74615044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The cubic root of 74615044 is about 420.9935736236.

The spelling of 74615044 in words is "seventy-four million, six hundred fifteen thousand, forty-four".