57134740 has 24 divisors (see below), whose sum is σ = 129213000. Its totient is φ = 21095808.

The previous prime is 57134723. The next prime is 57134761. The reversal of 57134740 is 4743175.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 57062916 = 268^2 + 7554^2 .

It is a congruent number.

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, 109615 + ... + 110134.

It is an arithmetic number, because the mean of its divisors is an integer number (5383875).

Almost surely, 2^57134740 is an apocalyptic number.

It is an amenable number.

57134740 is an abundant number, since it is smaller than the sum of its proper divisors (72078260).

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

57134740 is a wasteful number, since it uses less digits than its factorization.

57134740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219771 (or 219769 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 57134740 is about 7558.7525425827. The cubic root of 57134740 is about 385.1531183834.

The spelling of 57134740 in words is "fifty-seven million, one hundred thirty-four thousand, seven hundred forty".