157712704 has 28 divisors (see below), whose sum is σ = 317257684. Its totient is φ = 77773824.

The previous prime is 157712693. The next prime is 157712713. The reversal of 157712704 is 407217751.

It can be written as a sum of positive squares in 2 ways, for example, as 94478400 + 63234304 = 9720^2 + 7952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157712704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207 + ... + 21550.

Almost surely, 2^157712704 is an apocalyptic number.

It is an amenable number.

157712704 is an abundant number, since it is smaller than the sum of its proper divisors (159544980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157712704 is an equidigital number, since it uses as much as digits as its factorization.

157712704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33842 (or 33832 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 157712704 is about 12558.3718689964. The cubic root of 157712704 is about 540.2841485798.

The spelling of 157712704 in words is "one hundred fifty-seven million, seven hundred twelve thousand, seven hundred four".