57631672 has 32 divisors (see below), whose sum is σ = 125596800. Its totient is φ = 24279264.

The previous prime is 57631661. The next prime is 57631703. The reversal of 57631672 is 27613675.

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, 5418 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (3924900).

Almost surely, 2^57631672 is an apocalyptic number.

It is an amenable number.

57631672 is an abundant number, since it is smaller than the sum of its proper divisors (67965128).

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

57631672 is a wasteful number, since it uses less digits than its factorization.

57631672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17511 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 57631672 is about 7591.5526738606. The cubic root of 57631672 is about 386.2665255477.

The spelling of 57631672 in words is "fifty-seven million, six hundred thirty-one thousand, six hundred seventy-two".