57742860 has 48 divisors (see below), whose sum is σ = 184778496. Its totient is φ = 13198272.

The previous prime is 57742849. The next prime is 57742889. The reversal of 57742860 is 6824775.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68322 + ... + 69161.

It is an arithmetic number, because the mean of its divisors is an integer number (3849552).

Almost surely, 2^57742860 is an apocalyptic number.

It is an amenable number.

57742860 is an abundant number, since it is smaller than the sum of its proper divisors (127035636).

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

57742860 is a wasteful number, since it uses less digits than its factorization.

57742860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137502 (or 137500 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 57742860 is about 7598.8722847538. The cubic root of 57742860 is about 386.5147722191.

The spelling of 57742860 in words is "fifty-seven million, seven hundred forty-two thousand, eight hundred sixty".