670391204 has 24 divisors (see below), whose sum is σ = 1342427520. Its totient is φ = 286958016.

The previous prime is 670391203. The next prime is 670391219. The reversal of 670391204 is 402193076.

It is not an unprimeable number, because it can be changed into a prime (670391203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9224 + ... + 37760.

It is an arithmetic number, because the mean of its divisors is an integer number (55934480).

Almost surely, 2^670391204 is an apocalyptic number.

It is an amenable number.

670391204 is an abundant number, since it is smaller than the sum of its proper divisors (672036316).

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

670391204 is a wasteful number, since it uses less digits than its factorization.

670391204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29387 (or 29385 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 670391204 is about 25891.9138728677. The cubic root of 670391204 is about 875.2042860160.

The spelling of 670391204 in words is "six hundred seventy million, three hundred ninety-one thousand, two hundred four".