716740631 has 2 divisors, whose sum is σ = 716740632. Its totient is φ = 716740630.

The previous prime is 716740627. The next prime is 716740637. The reversal of 716740631 is 136047617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 716740631 - 2² = 716740627 is a prime.

It is a super-2 number, since 2×716740631² = 1027434264252556322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 716740591 and 716740600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716740637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358370315 + 358370316.

It is an arithmetic number, because the mean of its divisors is an integer number (358370316).

Almost surely, 2^716740631 is an apocalyptic number.

716740631 is a deficient number, since it is larger than the sum of its proper divisors (1).

716740631 is an equidigital number, since it uses as much as digits as its factorization.

716740631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 716740631 is about 26772.0120835174. The cubic root of 716740631 is about 894.9264448565.

The spelling of 716740631 in words is "seven hundred sixteen million, seven hundred forty thousand, six hundred thirty-one".