6699790 has 16 divisors (see below), whose sum is σ = 12185712. Its totient is φ = 2651904.

The previous prime is 6699779. The next prime is 6699793. The reversal of 6699790 is 979966.

It is a self number, because there is not a number n which added to its sum of digits gives 6699790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (761607).

Almost surely, 2^6699790 is an apocalyptic number.

6699790 is a deficient number, since it is larger than the sum of its proper divisors (5485922).

6699790 is a wasteful number, since it uses less digits than its factorization.

6699790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 6699790 is about 2588.3952557521. The cubic root of 6699790 is about 188.5183934658.

It can be divided in two parts, 66 and 99790, that added together give a square (99856 = 316²).

The spelling of 6699790 in words is "six million, six hundred ninety-nine thousand, seven hundred ninety".