670668870 has 32 divisors (see below), whose sum is σ = 1704289248. Its totient is φ = 168324608.

The previous prime is 670668851. The next prime is 670668883. The reversal of 670668870 is 78866076.

670668870 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 657009 + ... + 658028.

It is an arithmetic number, because the mean of its divisors is an integer number (53259039).

Almost surely, 2^670668870 is an apocalyptic number.

670668870 is an abundant number, since it is smaller than the sum of its proper divisors (1033620378).

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

670668870 is a wasteful number, since it uses less digits than its factorization.

670668870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315064.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 670668870 is about 25897.2753393093. The cubic root of 670668870 is about 875.3251015083.

The spelling of 670668870 in words is "six hundred seventy million, six hundred sixty-eight thousand, eight hundred seventy".