715978434 has 8 divisors (see below), whose sum is σ = 1431956880. Its totient is φ = 238659476.

The previous prime is 715978433. The next prime is 715978451. The reversal of 715978434 is 434879517.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

715978434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (715978433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59664864 + ... + 59664875.

It is an arithmetic number, because the mean of its divisors is an integer number (178994610).

Almost surely, 2^715978434 is an apocalyptic number.

715978434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

715978434 is a wasteful number, since it uses less digits than its factorization.

715978434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119329744.

The product of its digits is 846720, while the sum is 48.

The square root of 715978434 is about 26757.7733378546. The cubic root of 715978434 is about 894.6091044989.

The spelling of 715978434 in words is "seven hundred fifteen million, nine hundred seventy-eight thousand, four hundred thirty-four".