670508128 has 24 divisors (see below), whose sum is σ = 1339769592. Its totient is φ = 330249216.

The previous prime is 670508123. The next prime is 670508147. The reversal of 670508128 is 821805076.

670508128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×670508128² = 899162299428128768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670508123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154225 + ... + 158512.

It is an arithmetic number, because the mean of its divisors is an integer number (55823733).

Almost surely, 2^670508128 is an apocalyptic number.

It is an amenable number.

670508128 is a deficient number, since it is larger than the sum of its proper divisors (669261464).

670508128 is a wasteful number, since it uses less digits than its factorization.

670508128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312814 (or 312806 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 670508128 is about 25894.1716994385. The cubic root of 670508128 is about 875.2551649836.

The spelling of 670508128 in words is "six hundred seventy million, five hundred eight thousand, one hundred twenty-eight".