715932666 has 12 divisors (see below), whose sum is σ = 1551187482. Its totient is φ = 238644216.

The previous prime is 715932629. The next prime is 715932683. The reversal of 715932666 is 666239517.

It can be written as a sum of positive squares in only one way, i.e., 467208225 + 248724441 = 21615^2 + 15771^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19887001 + ... + 19887036.

Almost surely, 2^715932666 is an apocalyptic number.

715932666 is an abundant number, since it is smaller than the sum of its proper divisors (835254816).

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

715932666 is a wasteful number, since it uses less digits than its factorization.

715932666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39774045 (or 39774042 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 715932666 is about 26756.9180960738. The cubic root of 715932666 is about 894.5900418474.

The spelling of 715932666 in words is "seven hundred fifteen million, nine hundred thirty-two thousand, six hundred sixty-six".