57168740 has 24 divisors (see below), whose sum is σ = 121504320. Its totient is φ = 22591328.

The previous prime is 57168733. The next prime is 57168763. The reversal of 57168740 is 4786175.

It is a junction number, because it is equal to n+sod(n) for n = 57168694 and 57168703.

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, 15560 + ... + 18879.

It is an arithmetic number, because the mean of its divisors is an integer number (5062680).

Almost surely, 2^57168740 is an apocalyptic number.

It is an amenable number.

57168740 is an abundant number, since it is smaller than the sum of its proper divisors (64335580).

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

57168740 is a wasteful number, since it uses less digits than its factorization.

57168740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34531 (or 34529 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 57168740 is about 7561.0012564475. The cubic root of 57168740 is about 385.2295027881.

The spelling of 57168740 in words is "fifty-seven million, one hundred sixty-eight thousand, seven hundred forty".