716767717 has 2 divisors, whose sum is σ = 716767718. Its totient is φ = 716767716.

The previous prime is 716767703. The next prime is 716767729. The reversal of 716767717 is 717767617.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716579361 + 188356 = 26769^2 + 434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716767717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716767757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358383858 + 358383859.

It is an arithmetic number, because the mean of its divisors is an integer number (358383859).

Almost surely, 2^716767717 is an apocalyptic number.

It is an amenable number.

716767717 is a deficient number, since it is larger than the sum of its proper divisors (1).

716767717 is an equidigital number, since it uses as much as digits as its factorization.

716767717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 605052, while the sum is 49.

The square root of 716767717 is about 26772.5179428458. The cubic root of 716767717 is about 894.9377179593.

The spelling of 716767717 in words is "seven hundred sixteen million, seven hundred sixty-seven thousand, seven hundred seventeen".