715217971 has 8 divisors (see below), whose sum is σ = 774794720. Its totient is φ = 660199176.

The previous prime is 715217939. The next prime is 715217977. The reversal of 715217971 is 179712517.

It is not a de Polignac number, because 715217971 - 2⁵ = 715217939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715217977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160575 + ... + 164968.

It is an arithmetic number, because the mean of its divisors is an integer number (96849340).

Almost surely, 2^715217971 is an apocalyptic number.

715217971 is a deficient number, since it is larger than the sum of its proper divisors (59576749).

715217971 is an equidigital number, since it uses as much as digits as its factorization.

715217971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325582 (or 325556 counting only the distinct ones).

The product of its digits is 30870, while the sum is 40.

The square root of 715217971 is about 26743.5594302628. The cubic root of 715217971 is about 894.2922615628.

The spelling of 715217971 in words is "seven hundred fifteen million, two hundred seventeen thousand, nine hundred seventy-one".