6979711 has 4 divisors (see below), whose sum is σ = 6985000. Its totient is φ = 6974424.

The previous prime is 6979703. The next prime is 6979727. The reversal of 6979711 is 1179796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6979711 - 2³ = 6979703 is a prime.

It is a Duffinian number.

6979711 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979771) 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, 1165 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (1746250).

Almost surely, 2^6979711 is an apocalyptic number.

6979711 is the 1182-nd centered decagonal number.

6979711 is a deficient number, since it is larger than the sum of its proper divisors (5289).

6979711 is a wasteful number, since it uses less digits than its factorization.

6979711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its digits is 23814, while the sum is 40.

The square root of 6979711 is about 2641.9142681018. The cubic root of 6979711 is about 191.1081229502.

It can be divided in two parts, 69797 and 11, that multiplied together give a palindrome (767767).

The spelling of 6979711 in words is "six million, nine hundred seventy-nine thousand, seven hundred eleven".