716725717 has 2 divisors, whose sum is σ = 716725718. Its totient is φ = 716725716.

The previous prime is 716725703. The next prime is 716725727. The reversal of 716725717 is 717527617.

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., 646735761 + 69989956 = 25431^2 + 8366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716725717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716725727) 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 as a sum of consecutive naturals, namely, 358362858 + 358362859.

It is an arithmetic number, because the mean of its divisors is an integer number (358362859).

Almost surely, 2^716725717 is an apocalyptic number.

It is an amenable number.

716725717 is a deficient number, since it is larger than the sum of its proper divisors (1).

716725717 is an equidigital number, since it uses as much as digits as its factorization.

716725717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144060, while the sum is 43.

The square root of 716725717 is about 26771.7335449164. The cubic root of 716725717 is about 894.9202375783.

The spelling of 716725717 in words is "seven hundred sixteen million, seven hundred twenty-five thousand, seven hundred seventeen".