670785366 has 32 divisors (see below), whose sum is σ = 1368460800. Its totient is φ = 219155040.

The previous prime is 670785319. The next prime is 670785377. The reversal of 670785366 is 663587076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60796 + ... + 70976.

It is an arithmetic number, because the mean of its divisors is an integer number (42764400).

Almost surely, 2^670785366 is an apocalyptic number.

670785366 is an abundant number, since it is smaller than the sum of its proper divisors (697675434).

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

670785366 is a wasteful number, since it uses less digits than its factorization.

670785366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 670785366 is about 25899.5244357884. The cubic root of 670785366 is about 875.3757802530.

The spelling of 670785366 in words is "six hundred seventy million, seven hundred eighty-five thousand, three hundred sixty-six".