57709706 has 8 divisors (see below), whose sum is σ = 86788260. Its totient is φ = 28780288.

The previous prime is 57709703. The next prime is 57709711. The reversal of 57709706 is 60790775.

It can be written as a sum of positive squares in 2 ways, for example, as 55279225 + 2430481 = 7435^2 + 1559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57709703) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36311 + ... + 37866.

Almost surely, 2^57709706 is an apocalyptic number.

57709706 is a deficient number, since it is larger than the sum of its proper divisors (29078554).

57709706 is a wasteful number, since it uses less digits than its factorization.

57709706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74568.

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

The square root of 57709706 is about 7596.6904636164. The cubic root of 57709706 is about 386.4407834807.

The spelling of 57709706 in words is "fifty-seven million, seven hundred nine thousand, seven hundred six".