57390672 has 40 divisors (see below), whose sum is σ = 153045760. Its totient is φ = 18512640.

The previous prime is 57390661. The next prime is 57390701. The reversal of 57390672 is 27609375.

It is a super-3 number, since 3×57390672³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 57390672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17797 + ... + 20772.

It is an arithmetic number, because the mean of its divisors is an integer number (3826144).

Almost surely, 2^57390672 is an apocalyptic number.

It is an amenable number.

57390672 is an abundant number, since it is smaller than the sum of its proper divisors (95655088).

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

57390672 is a wasteful number, since it uses less digits than its factorization.

57390672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38611 (or 38605 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57390672 is about 7575.6631392902. The cubic root of 57390672 is about 385.7273527221.

The spelling of 57390672 in words is "fifty-seven million, three hundred ninety thousand, six hundred seventy-two".