57425730 has 32 divisors (see below), whose sum is σ = 138063744. Its totient is φ = 15286656.

The previous prime is 57425729. The next prime is 57425743. The reversal of 57425730 is 3752475.

It is a junction number, because it is equal to n+sod(n) for n = 57425691 and 57425700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20494 + ... + 23126.

It is an arithmetic number, because the mean of its divisors is an integer number (4314492).

Almost surely, 2^57425730 is an apocalyptic number.

57425730 is an abundant number, since it is smaller than the sum of its proper divisors (80638014).

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

57425730 is a wasteful number, since it uses less digits than its factorization.

57425730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57425730 is about 7577.9766428777. The cubic root of 57425730 is about 385.8058792866.

The spelling of 57425730 in words is "fifty-seven million, four hundred twenty-five thousand, seven hundred thirty".