6669759 has 4 divisors (see below), whose sum is σ = 8893016. Its totient is φ = 4446504.

The previous prime is 6669709. The next prime is 6669769. The reversal of 6669759 is 9579666.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6669759 - 2⁸ = 6669503 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669709) 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, 1111624 + ... + 1111629.

It is an arithmetic number, because the mean of its divisors is an integer number (2223254).

Almost surely, 2^6669759 is an apocalyptic number.

6669759 is a deficient number, since it is larger than the sum of its proper divisors (2223257).

6669759 is a wasteful number, since it uses less digits than its factorization.

6669759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223256.

The product of its digits is 612360, while the sum is 48.

The square root of 6669759 is about 2582.5876558212. The cubic root of 6669759 is about 188.2363012488.

The spelling of 6669759 in words is "six million, six hundred sixty-nine thousand, seven hundred fifty-nine".