57690770 has 16 divisors (see below), whose sum is σ = 106650648. Its totient is φ = 22452480.

The previous prime is 57690767. The next prime is 57690781. The reversal of 57690770 is 7709675.

It can be written as a sum of positive squares in 4 ways, for example, as 53860921 + 3829849 = 7339^2 + 1957^2 .

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 7 ways as a sum of consecutive naturals, for example, 77591 + ... + 78330.

Almost surely, 2^57690770 is an apocalyptic number.

57690770 is a deficient number, since it is larger than the sum of its proper divisors (48959878).

57690770 is a wasteful number, since it uses less digits than its factorization.

57690770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155965.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 57690770 is about 7595.4440291533. Note that the first 3 decimals coincide. The cubic root of 57690770 is about 386.3985118901.

The spelling of 57690770 in words is "fifty-seven million, six hundred ninety thousand, seven hundred seventy".