670293904 has 40 divisors (see below), whose sum is σ = 1532108288. Its totient is φ = 278000640.

The previous prime is 670293881. The next prime is 670293947. The reversal of 670293904 is 409392076.

It is a super-2 number, since 2×670293904² = 898587835479122432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93057 + ... + 100000.

Almost surely, 2^670293904 is an apocalyptic number.

It is an amenable number.

670293904 is an abundant number, since it is smaller than the sum of its proper divisors (861814384).

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

670293904 is a wasteful number, since it uses less digits than its factorization.

670293904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193103 (or 193097 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 670293904 is about 25890.0348396830. The cubic root of 670293904 is about 875.1619418361.

The spelling of 670293904 in words is "six hundred seventy million, two hundred ninety-three thousand, nine hundred four".