718406928 has 40 divisors (see below), whose sum is σ = 2062095200. Its totient is φ = 239468832.

The previous prime is 718406917. The next prime is 718406957. The reversal of 718406928 is 829604817.

It is a super-2 number, since 2×718406928² = 1032217028396794368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831058 + ... + 831921.

It is an arithmetic number, because the mean of its divisors is an integer number (51552380).

Almost surely, 2^718406928 is an apocalyptic number.

It is an amenable number.

718406928 is an abundant number, since it is smaller than the sum of its proper divisors (1343688272).

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

718406928 is a wasteful number, since it uses less digits than its factorization.

718406928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662996 (or 1662984 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 718406928 is about 26803.1141474270. The cubic root of 718406928 is about 895.6194240982.

The spelling of 718406928 in words is "seven hundred eighteen million, four hundred six thousand, nine hundred twenty-eight".