670402832 has 20 divisors (see below), whose sum is σ = 1416988176. Its totient is φ = 304728480.

The previous prime is 670402801. The next prime is 670402861. The reversal of 670402832 is 238204076.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 1904378 + ... + 1904729.

Almost surely, 2^670402832 is an apocalyptic number.

It is an amenable number.

670402832 is an abundant number, since it is smaller than the sum of its proper divisors (746585344).

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

670402832 is a wasteful number, since it uses less digits than its factorization.

670402832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809126 (or 3809120 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 670402832 is about 25892.1384207639. The cubic root of 670402832 is about 875.2093461543.

The spelling of 670402832 in words is "six hundred seventy million, four hundred two thousand, eight hundred thirty-two".