157630374 has 80 divisors (see below), whose sum is σ = 392824080. Its totient is φ = 46837440.

The previous prime is 157630373. The next prime is 157630379. The reversal of 157630374 is 473036751.

157630374 is a `hidden beast` number, since 15 + 7 + 630 + 3 + 7 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157630373) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93612 + ... + 95280.

It is an arithmetic number, because the mean of its divisors is an integer number (4910301).

Almost surely, 2^157630374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157630374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196412040).

157630374 is an abundant number, since it is smaller than the sum of its proper divisors (235193706).

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

157630374 is a wasteful number, since it uses less digits than its factorization.

157630374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 157630374 is about 12555.0935480386. The cubic root of 157630374 is about 540.1901182422.

The spelling of 157630374 in words is "one hundred fifty-seven million, six hundred thirty thousand, three hundred seventy-four".