6757979 has 2 divisors, whose sum is σ = 6757980. Its totient is φ = 6757978.

The previous prime is 6757973. The next prime is 6757981. The reversal of 6757979 is 9797576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6757979 - 2⁴ = 6757963 is a prime.

It is a Sophie Germain prime.

Together with 6757981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6757973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3378989 + 3378990.

It is an arithmetic number, because the mean of its divisors is an integer number (3378990).

Almost surely, 2^6757979 is an apocalyptic number.

6757979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6757979 is an equidigital number, since it uses as much as digits as its factorization.

6757979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 833490, while the sum is 50.

The square root of 6757979 is about 2599.6113171011. The cubic root of 6757979 is about 189.0625941625.

The spelling of 6757979 in words is "six million, seven hundred fifty-seven thousand, nine hundred seventy-nine".