157692672 has 54 divisors (see below), whose sum is σ = 454673492. Its totient is φ = 52563456.

The previous prime is 157692659. The next prime is 157692673. The reversal of 157692672 is 276296751.

157692672 is a `hidden beast` number, since 1 + 576 + 9 + 2 + 6 + 72 = 666.

157692672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (157692673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31918 + ... + 36525.

Almost surely, 2^157692672 is an apocalyptic number.

157692672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157692672 is an abundant number, since it is smaller than the sum of its proper divisors (296980820).

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

157692672 is an equidigital number, since it uses as much as digits as its factorization.

157692672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68465 (or 68448 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 157692672 is about 12557.5742880542. The cubic root of 157692672 is about 540.2612727428.

The spelling of 157692672 in words is "one hundred fifty-seven million, six hundred ninety-two thousand, six hundred seventy-two".