666700708 has 12 divisors (see below), whose sum is σ = 1186501680. Its totient is φ = 327700232.

The previous prime is 666700703. The next prime is 666700711. The reversal of 666700708 is 807007666.

It is not an unprimeable number, because it can be changed into a prime (666700703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412266 + ... + 1412737.

It is an arithmetic number, because the mean of its divisors is an integer number (98875140).

Almost surely, 2^666700708 is an apocalyptic number.

It is an amenable number.

666700708 is a deficient number, since it is larger than the sum of its proper divisors (519800972).

666700708 is a wasteful number, since it uses less digits than its factorization.

666700708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825066 (or 2825064 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 666700708 is about 25820.5481738866. The cubic root of 666700708 is about 873.5953334051.

The spelling of 666700708 in words is "six hundred sixty-six million, seven hundred thousand, seven hundred eight".