6957679 has 4 divisors (see below), whose sum is σ = 6968440. Its totient is φ = 6946920.

The previous prime is 6957631. The next prime is 6957683. The reversal of 6957679 is 9767596.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6957679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6957619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344 + ... + 5725.

It is an arithmetic number, because the mean of its divisors is an integer number (1742110).

Almost surely, 2^6957679 is an apocalyptic number.

6957679 is a deficient number, since it is larger than the sum of its proper divisors (10761).

6957679 is a wasteful number, since it uses less digits than its factorization.

6957679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760.

The product of its digits is 714420, while the sum is 49.

The square root of 6957679 is about 2637.7412685857. The cubic root of 6957679 is about 190.9068284553.

The spelling of 6957679 in words is "six million, nine hundred fifty-seven thousand, six hundred seventy-nine".