6990766 has 8 divisors (see below), whose sum is σ = 10515384. Its totient is φ = 3485640.

The previous prime is 6990761. The next prime is 6990799. The reversal of 6990766 is 6670996.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (1314423).

Almost surely, 2^6990766 is an apocalyptic number.

6990766 is a deficient number, since it is larger than the sum of its proper divisors (3524618).

6990766 is a wasteful number, since it uses less digits than its factorization.

6990766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9746.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 6990766 is about 2644.0056732163. The cubic root of 6990766 is about 191.2089669470.

The spelling of 6990766 in words is "six million, nine hundred ninety thousand, seven hundred sixty-six".