157072370 has 32 divisors (see below), whose sum is σ = 347977728. Its totient is φ = 49710528.

The previous prime is 157072339. The next prime is 157072387. The reversal of 157072370 is 73270751.

157072370 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85394 + ... + 87213.

It is an arithmetic number, because the mean of its divisors is an integer number (10874304).

Almost surely, 2^157072370 is an apocalyptic number.

157072370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157072370 is an abundant number, since it is smaller than the sum of its proper divisors (190905358).

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

157072370 is a wasteful number, since it uses less digits than its factorization.

157072370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172634.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 157072370 is about 12532.8516308141. The cubic root of 157072370 is about 539.5519488743.

The spelling of 157072370 in words is "one hundred fifty-seven million, seventy-two thousand, three hundred seventy".