716662801 has 2 divisors, whose sum is σ = 716662802. Its totient is φ = 716662800.

The previous prime is 716662783. The next prime is 716662813. The reversal of 716662801 is 108266617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705433600 + 11229201 = 26560^2 + 3351^2 .

It is a cyclic number.

It is not a de Polignac number, because 716662801 - 2⁵ = 716662769 is a prime.

It is not a weakly prime, because it can be changed into another prime (716662861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358331400 + 358331401.

It is an arithmetic number, because the mean of its divisors is an integer number (358331401).

Almost surely, 2^716662801 is an apocalyptic number.

It is an amenable number.

716662801 is a deficient number, since it is larger than the sum of its proper divisors (1).

716662801 is an equidigital number, since it uses as much as digits as its factorization.

716662801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 716662801 is about 26770.5584738160. The cubic root of 716662801 is about 894.8940506898.

The spelling of 716662801 in words is "seven hundred sixteen million, six hundred sixty-two thousand, eight hundred one".