6740979 has 16 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 3851400.

The previous prime is 6740977. The next prime is 6740989. The reversal of 6740979 is 9790476.

6740979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6740979 - 2¹ = 6740977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6740979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^6740979 is an apocalyptic number.

6740979 is a deficient number, since it is larger than the sum of its proper divisors (3742221).

6740979 is an equidigital number, since it uses as much as digits as its factorization.

6740979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575 (or 6561 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6740979 is about 2596.3395386582. The cubic root of 6740979 is about 188.9039292266.

The spelling of 6740979 in words is "six million, seven hundred forty thousand, nine hundred seventy-nine".