6669694 has 16 divisors (see below), whose sum is σ = 10350288. Its totient is φ = 3220992.

The previous prime is 6669683. The next prime is 6669697. The reversal of 6669694 is 4969666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669697) 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, 14049 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (646893).

Almost surely, 2^6669694 is an apocalyptic number.

6669694 is a deficient number, since it is larger than the sum of its proper divisors (3680594).

6669694 is a wasteful number, since it uses less digits than its factorization.

6669694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its digits is 419904, while the sum is 46.

The square root of 6669694 is about 2582.5750715129. The cubic root of 6669694 is about 188.2356897625.

The spelling of 6669694 in words is "six million, six hundred sixty-nine thousand, six hundred ninety-four".