6722208764 has 24 divisors (see below), whose sum is σ = 12154466688. Its totient is φ = 3249702720.

The previous prime is 6722208743. The next prime is 6722208809. The reversal of 6722208764 is 4678022276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 114242 + ... + 162774.

It is an arithmetic number, because the mean of its divisors is an integer number (506436112).

Almost surely, 2^6722208764 is an apocalyptic number.

It is an amenable number.

6722208764 is a deficient number, since it is larger than the sum of its proper divisors (5432257924).

6722208764 is a wasteful number, since it uses less digits than its factorization.

6722208764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49685 (or 49683 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 6722208764 is about 81989.0771017701. The cubic root of 6722208764 is about 1887.2843209197.

The spelling of 6722208764 in words is "six billion, seven hundred twenty-two million, two hundred eight thousand, seven hundred sixty-four".