57731684 has 12 divisors (see below), whose sum is σ = 102072684. Its totient is φ = 28568064.

The previous prime is 57731683. The next prime is 57731693. The reversal of 57731684 is 48613775.

57731684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18318400 + 39413284 = 4280^2 + 6278^2 .

It is not an unprimeable number, because it can be changed into a prime (57731683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74009 + ... + 74784.

It is an arithmetic number, because the mean of its divisors is an integer number (8506057).

Almost surely, 2^57731684 is an apocalyptic number.

It is an amenable number.

57731684 is a deficient number, since it is larger than the sum of its proper divisors (44341000).

57731684 is a wasteful number, since it uses less digits than its factorization.

57731684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148894 (or 148892 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 57731684 is about 7598.1368768929. The cubic root of 57731684 is about 386.4898342567.

The spelling of 57731684 in words is "fifty-seven million, seven hundred thirty-one thousand, six hundred eighty-four".