670436668 has 12 divisors (see below), whose sum is σ = 1279924632. Its totient is φ = 304743920.

The previous prime is 670436653. The next prime is 670436699. The reversal of 670436668 is 866634076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7618555 + ... + 7618642.

It is an arithmetic number, because the mean of its divisors is an integer number (106660386).

Almost surely, 2^670436668 is an apocalyptic number.

It is an amenable number.

670436668 is a deficient number, since it is larger than the sum of its proper divisors (609487964).

670436668 is a wasteful number, since it uses less digits than its factorization.

670436668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237212 (or 15237210 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 670436668 is about 25892.7918154841. The cubic root of 670436668 is about 875.2240701798.

The spelling of 670436668 in words is "six hundred seventy million, four hundred thirty-six thousand, six hundred sixty-eight".