6480679 has 4 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 6474880.

The previous prime is 6480637. The next prime is 6480697. The reversal of 6480679 is 9760846.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6480679 - 2⁹ = 6480167 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 (6480979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^6480679 is an apocalyptic number.

6480679 is a deficient number, since it is larger than the sum of its proper divisors (5801).

6480679 is a wasteful number, since it uses less digits than its factorization.

6480679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6480679 is about 2545.7177769737. The cubic root of 6480679 is about 186.4404618918.

The spelling of 6480679 in words is "six million, four hundred eighty thousand, six hundred seventy-nine".