6686970 has 32 divisors (see below), whose sum is σ = 16175808. Its totient is φ = 1769088.

The previous prime is 6686947. The next prime is 6686983. The reversal of 6686970 is 796866.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3297 + ... + 4923.

It is an arithmetic number, because the mean of its divisors is an integer number (505494).

Almost surely, 2^6686970 is an apocalyptic number.

6686970 is an abundant number, since it is smaller than the sum of its proper divisors (9488838).

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

6686970 is a wasteful number, since it uses less digits than its factorization.

6686970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6686970 is about 2585.9176320989. The cubic root of 6686970 is about 188.3980738260.

The spelling of 6686970 in words is "six million, six hundred eighty-six thousand, nine hundred seventy".