6744979 has 2 divisors, whose sum is σ = 6744980. Its totient is φ = 6744978.

The previous prime is 6744977. The next prime is 6745001. The reversal of 6744979 is 9794476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6744979 - 2¹ = 6744977 is a prime.

Together with 6744977, it forms a pair of twin primes.

6744979 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6744973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372489 + 3372490.

It is an arithmetic number, because the mean of its divisors is an integer number (3372490).

Almost surely, 2^6744979 is an apocalyptic number.

6744979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6744979 is an equidigital number, since it uses as much as digits as its factorization.

6744979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 6744979 is about 2597.1097396914. The cubic root of 6744979 is about 188.9412861302.

It can be divided in two parts, 67449 and 79, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6744979 in words is "six million, seven hundred forty-four thousand, nine hundred seventy-nine".