718916560 has 20 divisors (see below), whose sum is σ = 1671481188. Its totient is φ = 287566592.

The previous prime is 718916557. The next prime is 718916573. The reversal of 718916560 is 65619817.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 415181376 + 303735184 = 20376^2 + 17428^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493149 + ... + 4493308.

Almost surely, 2^718916560 is an apocalyptic number.

It is an amenable number.

718916560 is an abundant number, since it is smaller than the sum of its proper divisors (952564628).

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

718916560 is a wasteful number, since it uses less digits than its factorization.

718916560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986470 (or 8986464 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 718916560 is about 26812.6194169835. The cubic root of 718916560 is about 895.8311557378.

The spelling of 718916560 in words is "seven hundred eighteen million, nine hundred sixteen thousand, five hundred sixty".