716780724102721 has 16 divisors (see below), whose sum is σ = 727413146377344. Its totient is φ = 706198335058944.

The previous prime is 716780724102689. The next prime is 716780724102733. The reversal of 716780724102721 is 127201427087617.

It is a cyclic number.

It is not a de Polignac number, because 716780724102721 - 2⁵ = 716780724102689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716780724106721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39463975 + ... + 54689731.

It is an arithmetic number, because the mean of its divisors is an integer number (45463321648584).

Almost surely, 2^{716780724102721} is an apocalyptic number.

It is an amenable number.

716780724102721 is a deficient number, since it is larger than the sum of its proper divisors (10632422274623).

716780724102721 is a wasteful number, since it uses less digits than its factorization.

716780724102721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15227400.

The product of its (nonzero) digits is 3687936, while the sum is 55.

The spelling of 716780724102721 in words is "seven hundred sixteen trillion, seven hundred eighty billion, seven hundred twenty-four million, one hundred two thousand, seven hundred twenty-one".