667070704 has 10 divisors (see below), whose sum is σ = 1292449520. Its totient is φ = 333535344.

The previous prime is 667070659. The next prime is 667070713. The reversal of 667070704 is 407070766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20845944 + ... + 20845975.

It is an arithmetic number, because the mean of its divisors is an integer number (129244952).

Almost surely, 2^667070704 is an apocalyptic number.

It is an amenable number.

667070704 is a deficient number, since it is larger than the sum of its proper divisors (625378816).

667070704 is a wasteful number, since it uses less digits than its factorization.

667070704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41691927 (or 41691921 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 667070704 is about 25827.7119389233. The cubic root of 667070704 is about 873.7569086568.

The spelling of 667070704 in words is "six hundred sixty-seven million, seventy thousand, seven hundred four".