716664712 has 24 divisors (see below), whose sum is σ = 1357884810. Its totient is φ = 354600960.

The previous prime is 716664709. The next prime is 716664719. The reversal of 716664712 is 217466617.

It can be written as a sum of positive squares in 3 ways, for example, as 567678276 + 148986436 = 23826^2 + 12206^2 .

It is not an unprimeable number, because it can be changed into a prime (716664719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70512 + ... + 80032.

Almost surely, 2^716664712 is an apocalyptic number.

It is an amenable number.

716664712 is a deficient number, since it is larger than the sum of its proper divisors (641220098).

716664712 is an equidigital number, since it uses as much as digits as its factorization.

716664712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721 (or 9620 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 716664712 is about 26770.5941659874. The cubic root of 716664712 is about 894.8948461085.

The spelling of 716664712 in words is "seven hundred sixteen million, six hundred sixty-four thousand, seven hundred twelve".