6724979 has 8 divisors (see below), whose sum is σ = 7219440. Its totient is φ = 6241536.

The previous prime is 6724951. The next prime is 6724981. The reversal of 6724979 is 9794276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6724979 - 2²⁰ = 5676403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6724999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (902430).

Almost surely, 2^6724979 is an apocalyptic number.

6724979 is a deficient number, since it is larger than the sum of its proper divisors (494461).

6724979 is a wasteful number, since it uses less digits than its factorization.

6724979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509.

The product of its digits is 190512, while the sum is 44.

The square root of 6724979 is about 2593.2564470179. The cubic root of 6724979 is about 188.7543536560.

The spelling of 6724979 in words is "six million, seven hundred twenty-four thousand, nine hundred seventy-nine".