716720589 has 64 divisors (see below), whose sum is σ = 1189888000. Its totient is φ = 423403200.

The previous prime is 716720573. The next prime is 716720591. The reversal of 716720589 is 985027617.

716720589 is a `hidden beast` number, since 7 + 1 + 67 + 2 + 0 + 589 = 666.

716720589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 716720589 - 2⁴ = 716720573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716721589) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2165154 + ... + 2165484.

It is an arithmetic number, because the mean of its divisors is an integer number (18592000).

Almost surely, 2^716720589 is an apocalyptic number.

It is an amenable number.

716720589 is a deficient number, since it is larger than the sum of its proper divisors (473167411).

716720589 is a wasteful number, since it uses less digits than its factorization.

716720589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 716720589 is about 26771.6377720901. The cubic root of 716720589 is about 894.9181032602.

The spelling of 716720589 in words is "seven hundred sixteen million, seven hundred twenty thousand, five hundred eighty-nine".