157715073 has 32 divisors (see below), whose sum is σ = 245222400. Its totient is φ = 100051200.

The previous prime is 157715057. The next prime is 157715081. The reversal of 157715073 is 370517751.

It is a happy number.

157715073 is a `hidden beast` number, since 1 + 577 + 15 + 0 + 73 = 666.

It is not a de Polignac number, because 157715073 - 2⁴ = 157715057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157715573) 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 31 ways as a sum of consecutive naturals, for example, 49513 + ... + 52601.

It is an arithmetic number, because the mean of its divisors is an integer number (7663200).

Almost surely, 2^157715073 is an apocalyptic number.

It is an amenable number.

157715073 is a deficient number, since it is larger than the sum of its proper divisors (87507327).

157715073 is a wasteful number, since it uses less digits than its factorization.

157715073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 25725, while the sum is 36.

The square root of 157715073 is about 12558.4661881935. The cubic root of 157715073 is about 540.2868537661.

The spelling of 157715073 in words is "one hundred fifty-seven million, seven hundred fifteen thousand, seventy-three".