6745979 has 2 divisors, whose sum is σ = 6745980. Its totient is φ = 6745978.

The previous prime is 6745961. The next prime is 6745997. The reversal of 6745979 is 9795476.

Together with next prime (6745997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (6745961) and next prime (6745997).

It is a cyclic number.

It is not a de Polignac number, because 6745979 - 2¹² = 6741883 is a prime.

It is not a weakly prime, because it can be changed into another prime (6745909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372989 + 3372990.

It is an arithmetic number, because the mean of its divisors is an integer number (3372990).

Almost surely, 2^6745979 is an apocalyptic number.

6745979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6745979 is an equidigital number, since it uses as much as digits as its factorization.

6745979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 6745979 is about 2597.3022542631. The cubic root of 6745979 is about 188.9506230483.

The spelling of 6745979 in words is "six million, seven hundred forty-five thousand, nine hundred seventy-nine".