6679769 has 4 divisors (see below), whose sum is σ = 6738996. Its totient is φ = 6620544.

The previous prime is 6679763. The next prime is 6679789. The reversal of 6679769 is 9679766.

It is a happy number.

6679769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 3115225 = 1888^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6679769 - 2⁸ = 6679513 is a prime.

It is a super-2 number, since 2×6679769² = 89238627786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6679763) 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, 29444 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (1684749).

Almost surely, 2^6679769 is an apocalyptic number.

It is an amenable number.

6679769 is a deficient number, since it is larger than the sum of its proper divisors (59227).

6679769 is a wasteful number, since it uses less digits than its factorization.

6679769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59226.

The product of its digits is 857304, while the sum is 50.

The square root of 6679769 is about 2584.5249079860. The cubic root of 6679769 is about 188.3304227672.

It can be divided in two parts, 66797 and 69, that added together give a palindrome (66866).

The spelling of 6679769 in words is "six million, six hundred seventy-nine thousand, seven hundred sixty-nine".