57672392 has 16 divisors (see below), whose sum is σ = 108735900. Its totient is φ = 28676160.

The previous prime is 57672383. The next prime is 57672421. The reversal of 57672392 is 29327675.

It can be written as a sum of positive squares in 2 ways, for example, as 57365476 + 306916 = 7574^2 + 554^2 .

It is a super-2 number, since 2×57672392² = 6652209598003328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18467 + ... + 21362.

Almost surely, 2^57672392 is an apocalyptic number.

It is an amenable number.

57672392 is a deficient number, since it is larger than the sum of its proper divisors (51063508).

57672392 is a wasteful number, since it uses less digits than its factorization.

57672392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40016 (or 40012 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 57672392 is about 7594.2341286005. The cubic root of 57672392 is about 386.3574770993.

The spelling of 57672392 in words is "fifty-seven million, six hundred seventy-two thousand, three hundred ninety-two".