670871768 has 16 divisors (see below), whose sum is σ = 1437582480. Its totient is φ = 287516448.

The previous prime is 670871711. The next prime is 670871771. The reversal of 670871768 is 867178076.

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, 5989871 + ... + 5989982.

It is an arithmetic number, because the mean of its divisors is an integer number (89848905).

Almost surely, 2^670871768 is an apocalyptic number.

It is an amenable number.

670871768 is an abundant number, since it is smaller than the sum of its proper divisors (766710712).

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

670871768 is a wasteful number, since it uses less digits than its factorization.

670871768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979866 (or 11979862 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 670871768 is about 25901.1924049840. The cubic root of 670871768 is about 875.4133635471.

The spelling of 670871768 in words is "six hundred seventy million, eight hundred seventy-one thousand, seven hundred sixty-eight".