718686904 has 32 divisors (see below), whose sum is σ = 1462648320. Its totient is φ = 329083776.

The previous prime is 718686901. The next prime is 718686949. The reversal of 718686904 is 409686817.

718686904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×718686904² = 1033021731962210432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718686901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13999 + ... + 40414.

It is an arithmetic number, because the mean of its divisors is an integer number (45707760).

Almost surely, 2^718686904 is an apocalyptic number.

It is an amenable number.

718686904 is an abundant number, since it is smaller than the sum of its proper divisors (743961416).

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

718686904 is a wasteful number, since it uses less digits than its factorization.

718686904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54559 (or 54555 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 718686904 is about 26808.3364646149. The cubic root of 718686904 is about 895.7357552781.

The spelling of 718686904 in words is "seven hundred eighteen million, six hundred eighty-six thousand, nine hundred four".