6756979 has 2 divisors, whose sum is σ = 6756980. Its totient is φ = 6756978.

The previous prime is 6756961. The next prime is 6756983. The reversal of 6756979 is 9796576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6756979 - 2⁷ = 6756851 is a prime.

It is not a weakly prime, because it can be changed into another prime (6756179) 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 as a sum of consecutive naturals, namely, 3378489 + 3378490.

It is an arithmetic number, because the mean of its divisors is an integer number (3378490).

Almost surely, 2^6756979 is an apocalyptic number.

6756979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756979 is an equidigital number, since it uses as much as digits as its factorization.

6756979 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6756979 is about 2599.4189735400. The cubic root of 6756979 is about 189.0532683014.

The spelling of 6756979 in words is "six million, seven hundred fifty-six thousand, nine hundred seventy-nine".