57981670 has 16 divisors (see below), whose sum is σ = 105034608. Its totient is φ = 23044320.

The previous prime is 57981661. The next prime is 57981683. The reversal of 57981670 is 7618975.

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, 16896 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (6564663).

Almost surely, 2^57981670 is an apocalyptic number.

57981670 is a deficient number, since it is larger than the sum of its proper divisors (47052938).

57981670 is a wasteful number, since it uses less digits than its factorization.

57981670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37095.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 57981670 is about 7614.5695873109. The cubic root of 57981670 is about 387.0468820831.

The spelling of 57981670 in words is "fifty-seven million, nine hundred eighty-one thousand, six hundred seventy".