156874674 has 64 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 42789120.

The previous prime is 156874643. The next prime is 156874699. The reversal of 156874674 is 476478651.

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, 22767 + ... + 28845.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 2^156874674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156874674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189112320).

156874674 is an abundant number, since it is smaller than the sum of its proper divisors (221349966).

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

156874674 is a wasteful number, since it uses less digits than its factorization.

156874674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its digits is 1128960, while the sum is 48.

The square root of 156874674 is about 12524.9620358706. The cubic root of 156874674 is about 539.3254884112.

The spelling of 156874674 in words is "one hundred fifty-six million, eight hundred seventy-four thousand, six hundred seventy-four".