57727642 has 16 divisors (see below), whose sum is σ = 102154752. Its totient is φ = 23942160.

The previous prime is 57727627. The next prime is 57727687. The reversal of 57727642 is 24672775.

It is a junction number, because it is equal to n+sod(n) for n = 57727595 and 57727604.

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, 66073 + ... + 66940.

It is an arithmetic number, because the mean of its divisors is an integer number (6384672).

Almost surely, 2^57727642 is an apocalyptic number.

57727642 is a deficient number, since it is larger than the sum of its proper divisors (44427110).

57727642 is a wasteful number, since it uses less digits than its factorization.

57727642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133053.

The product of its digits is 164640, while the sum is 40.

The square root of 57727642 is about 7597.8708859785. The cubic root of 57727642 is about 386.4808142047.

The spelling of 57727642 in words is "fifty-seven million, seven hundred twenty-seven thousand, six hundred forty-two".