6624479 has 4 divisors (see below), whose sum is σ = 6704376. Its totient is φ = 6544584.

The previous prime is 6624473. The next prime is 6624481. The reversal of 6624479 is 9744266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6624479 - 2⁴ = 6624463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39824 + ... + 39989.

It is an arithmetic number, because the mean of its divisors is an integer number (1676094).

Almost surely, 2^6624479 is an apocalyptic number.

6624479 is a deficient number, since it is larger than the sum of its proper divisors (79897).

6624479 is an equidigital number, since it uses as much as digits as its factorization.

6624479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79896.

The product of its digits is 72576, while the sum is 38.

The square root of 6624479 is about 2573.8063252700. The cubic root of 6624479 is about 187.8093642490.

The spelling of 6624479 in words is "six million, six hundred twenty-four thousand, four hundred seventy-nine".