57730032 has 30 divisors (see below), whose sum is σ = 161564312. Its totient is φ = 19243296.

The previous prime is 57730021. The next prime is 57730051. The reversal of 57730032 is 23003775.

It is a junction number, because it is equal to n+sod(n) for n = 57729978 and 57730005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200308 + ... + 200595.

Almost surely, 2^57730032 is an apocalyptic number.

It is an amenable number.

57730032 is an abundant number, since it is smaller than the sum of its proper divisors (103834280).

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

57730032 is a wasteful number, since it uses less digits than its factorization.

57730032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400917 (or 400908 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57730032 is about 7598.0281652545. The cubic root of 57730032 is about 386.4861477351.

The spelling of 57730032 in words is "fifty-seven million, seven hundred thirty thousand, thirty-two".