670667404 has 12 divisors (see below), whose sum is σ = 1280365128. Its totient is φ = 304848800.

The previous prime is 670667399. The next prime is 670667429. The reversal of 670667404 is 404766076.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7621177 + ... + 7621264.

It is an arithmetic number, because the mean of its divisors is an integer number (106697094).

Almost surely, 2^670667404 is an apocalyptic number.

It is an amenable number.

670667404 is a deficient number, since it is larger than the sum of its proper divisors (609697724).

670667404 is a wasteful number, since it uses less digits than its factorization.

670667404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242456 (or 15242454 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 670667404 is about 25897.2470351580. The cubic root of 670667404 is about 875.3244637233.

The spelling of 670667404 in words is "six hundred seventy million, six hundred sixty-seven thousand, four hundred four".