670710432 has 96 divisors (see below), whose sum is σ = 2053296000. Its totient is φ = 191622144.

The previous prime is 670710421. The next prime is 670710449. The reversal of 670710432 is 234017076.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 670710432.

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, 22744 + ... + 43112.

It is an arithmetic number, because the mean of its divisors is an integer number (21388500).

Almost surely, 2^670710432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670710432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026648000).

670710432 is an abundant number, since it is smaller than the sum of its proper divisors (1382585568).

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

670710432 is a wasteful number, since it uses less digits than its factorization.

670710432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403 (or 20381 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 670710432 is about 25898.0777665061. The cubic root of 670710432 is about 875.3431827164.

The spelling of 670710432 in words is "six hundred seventy million, seven hundred ten thousand, four hundred thirty-two".