6690968 has 16 divisors (see below), whose sum is σ = 12752160. Its totient is φ = 3290400.

The previous prime is 6690949. The next prime is 6690973. The reversal of 6690968 is 8690966.

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, 6368 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (797010).

Almost surely, 2^6690968 is an apocalyptic number.

It is an amenable number.

6690968 is a deficient number, since it is larger than the sum of its proper divisors (6061192).

6690968 is a wasteful number, since it uses less digits than its factorization.

6690968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778 (or 13774 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 6690968 is about 2586.6905497179. The cubic root of 6690968 is about 188.4356127730.

The spelling of 6690968 in words is "six million, six hundred ninety thousand, nine hundred sixty-eight".