670044432 has 20 divisors (see below), whose sum is σ = 1730948240. Its totient is φ = 223348128.

The previous prime is 670044377. The next prime is 670044439. The reversal of 670044432 is 234440076.

It is a self number, because there is not a number n which added to its sum of digits gives 670044432.

It is not an unprimeable number, because it can be changed into a prime (670044439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979582 + ... + 6979677.

It is an arithmetic number, because the mean of its divisors is an integer number (86547412).

Almost surely, 2^670044432 is an apocalyptic number.

It is an amenable number.

670044432 is an abundant number, since it is smaller than the sum of its proper divisors (1060903808).

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

670044432 is a wasteful number, since it uses less digits than its factorization.

670044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13959270 (or 13959264 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 670044432 is about 25885.2164758188. The cubic root of 670044432 is about 875.0533548962.

The spelling of 670044432 in words is "six hundred seventy million, forty-four thousand, four hundred thirty-two".