670318872 has 32 divisors (see below), whose sum is σ = 1678490880. Its totient is φ = 223080480.

The previous prime is 670318867. The next prime is 670318889. The reversal of 670318872 is 278813076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988 + ... + 37275.

It is an arithmetic number, because the mean of its divisors is an integer number (52452840).

Almost surely, 2^670318872 is an apocalyptic number.

It is an amenable number.

670318872 is an abundant number, since it is smaller than the sum of its proper divisors (1008172008).

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

670318872 is a wasteful number, since it uses less digits than its factorization.

670318872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44903 (or 44899 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 670318872 is about 25890.5170284411. The cubic root of 670318872 is about 875.1728081003.

The spelling of 670318872 in words is "six hundred seventy million, three hundred eighteen thousand, eight hundred seventy-two".