6670864 has 20 divisors (see below), whose sum is σ = 13241340. Its totient is φ = 3253760.

The previous prime is 6670847. The next prime is 6670877. The reversal of 6670864 is 4680766.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 3459600 = 1792^2 + 1860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (662067).

Almost surely, 2^6670864 is an apocalyptic number.

It is an amenable number.

6670864 is a deficient number, since it is larger than the sum of its proper divisors (6570476).

6670864 is a wasteful number, since it uses less digits than its factorization.

6670864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 6670864 is about 2582.8015796805. The cubic root of 6670864 is about 188.2466959086.

The spelling of 6670864 in words is "six million, six hundred seventy thousand, eight hundred sixty-four".