716315643 has 12 divisors (see below), whose sum is σ = 1072999928. Its totient is φ = 477543600.

The previous prime is 716315641. The next prime is 716315651. The reversal of 716315643 is 346513617.

716315643 is a `hidden beast` number, since 7 + 1 + 6 + 3 + 1 + 5 + 643 = 666.

It is not a de Polignac number, because 716315643 - 2¹ = 716315641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716315598 and 716315607.

It is not an unprimeable number, because it can be changed into a prime (716315641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473658 + ... + 1474143.

Almost surely, 2^716315643 is an apocalyptic number.

716315643 is a deficient number, since it is larger than the sum of its proper divisors (356684285).

716315643 is an equidigital number, since it uses as much as digits as its factorization.

716315643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947816 (or 2947804 counting only the distinct ones).

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

The square root of 716315643 is about 26764.0737370080. The cubic root of 716315643 is about 894.7495290702.

The spelling of 716315643 in words is "seven hundred sixteen million, three hundred fifteen thousand, six hundred forty-three".