718830972 has 36 divisors (see below), whose sum is σ = 1855709856. Its totient is φ = 234511680.

The previous prime is 718830967. The next prime is 718830991. The reversal of 718830972 is 279038817.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210729 + ... + 214112.

It is an arithmetic number, because the mean of its divisors is an integer number (51547496).

Almost surely, 2^718830972 is an apocalyptic number.

It is an amenable number.

718830972 is an abundant number, since it is smaller than the sum of its proper divisors (1136878884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718830972 is a wasteful number, since it uses less digits than its factorization.

718830972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424898 (or 424893 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 718830972 is about 26811.0233299664. The cubic root of 718830972 is about 895.7956043520.

The spelling of 718830972 in words is "seven hundred eighteen million, eight hundred thirty thousand, nine hundred seventy-two".