716643315 has 64 divisors (see below), whose sum is σ = 1334983680. Its totient is φ = 364066560.

The previous prime is 716643253. The next prime is 716643329. The reversal of 716643315 is 513346617.

716643315 is a `hidden beast` number, since 7 + 1 + 6 + 643 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 716643315 - 2¹² = 716639219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716643315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1375255 + ... + 1375775.

It is an arithmetic number, because the mean of its divisors is an integer number (20859120).

Almost surely, 2^716643315 is an apocalyptic number.

716643315 is a deficient number, since it is larger than the sum of its proper divisors (618340365).

716643315 is a wasteful number, since it uses less digits than its factorization.

716643315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 716643315 is about 26770.1945267493. The cubic root of 716643315 is about 894.8859399188.

The spelling of 716643315 in words is "seven hundred sixteen million, six hundred forty-three thousand, three hundred fifteen".