6679690 has 16 divisors (see below), whose sum is σ = 12117600. Its totient is φ = 2650960.

The previous prime is 6679681. The next prime is 6679693. The reversal of 6679690 is 969766.

It is a happy number.

It is a super-2 number, since 2×6679690² = 89236516992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6679693) 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, 1240 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (757350).

Almost surely, 2^6679690 is an apocalyptic number.

6679690 is a deficient number, since it is larger than the sum of its proper divisors (5437910).

6679690 is a wasteful number, since it uses less digits than its factorization.

6679690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237.

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

The square root of 6679690 is about 2584.5096246677. The cubic root of 6679690 is about 188.3296803183.

The spelling of 6679690 in words is "six million, six hundred seventy-nine thousand, six hundred ninety".