157970370 has 64 divisors (see below), whose sum is σ = 401448960. Its totient is φ = 39672000.

The previous prime is 157970359. The next prime is 157970381. The reversal of 157970370 is 73079751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157970359) and next prime (157970381).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108145 + ... + 109595.

It is an arithmetic number, because the mean of its divisors is an integer number (6272640).

Almost surely, 2^157970370 is an apocalyptic number.

157970370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157970370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200724480).

157970370 is an abundant number, since it is smaller than the sum of its proper divisors (243478590).

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

157970370 is a wasteful number, since it uses less digits than its factorization.

157970370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 157970370 is about 12568.6264165978. The cubic root of 157970370 is about 540.5782215086.

The spelling of 157970370 in words is "one hundred fifty-seven million, nine hundred seventy thousand, three hundred seventy".