718926864 has 80 divisors (see below), whose sum is σ = 1967820480. Its totient is φ = 225538560.

The previous prime is 718926863. The next prime is 718926869. The reversal of 718926864 is 468629817.

It is not an unprimeable number, because it can be changed into a prime (718926863) 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, 140674 + ... + 145694.

It is an arithmetic number, because the mean of its divisors is an integer number (24597756).

Almost surely, 2^718926864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718926864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983910240).

718926864 is an abundant number, since it is smaller than the sum of its proper divisors (1248893616).

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

718926864 is a wasteful number, since it uses less digits than its factorization.

718926864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208 (or 5202 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 718926864 is about 26812.8115646234. The cubic root of 718926864 is about 895.8354356040.

The spelling of 718926864 in words is "seven hundred eighteen million, nine hundred twenty-six thousand, eight hundred sixty-four".