718604872 has 8 divisors (see below), whose sum is σ = 1347384150. Its totient is φ = 359302432.

The previous prime is 718604869. The next prime is 718604879. The reversal of 718604872 is 278406817.

It can be written as a sum of positive squares in only one way, i.e., 587868516 + 130736356 = 24246^2 + 11434^2 .

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

It is not an unprimeable number, because it can be changed into a prime (718604879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44912797 + ... + 44912812.

Almost surely, 2^718604872 is an apocalyptic number.

It is an amenable number.

718604872 is a deficient number, since it is larger than the sum of its proper divisors (628779278).

718604872 is a wasteful number, since it uses less digits than its factorization.

718604872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89825615 (or 89825611 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 718604872 is about 26806.8064491092. The cubic root of 718604872 is about 895.7016737743.

The spelling of 718604872 in words is "seven hundred eighteen million, six hundred four thousand, eight hundred seventy-two".