718965064 has 8 divisors (see below), whose sum is σ = 1348059510. Its totient is φ = 359482528.

The previous prime is 718965061. The next prime is 718965077. The reversal of 718965064 is 460569817.

It can be written as a sum of positive squares in only one way, i.e., 468376164 + 250588900 = 21642^2 + 15830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (718965061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44935309 + ... + 44935324.

Almost surely, 2^718965064 is an apocalyptic number.

It is an amenable number.

718965064 is a deficient number, since it is larger than the sum of its proper divisors (629094446).

718965064 is a wasteful number, since it uses less digits than its factorization.

718965064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89870639 (or 89870635 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 718965064 is about 26813.5239011958. The cubic root of 718965064 is about 895.8513019873.

The spelling of 718965064 in words is "seven hundred eighteen million, nine hundred sixty-five thousand, sixty-four".