6722650944 has 56 divisors (see below), whose sum is σ = 19763353920. Its totient is φ = 2240883072.

The previous prime is 6722650943. The next prime is 6722651009. The reversal of 6722650944 is 4490562276.

It is a super-2 number, since 2×6722650944² = 90388071429728182272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6722650944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722650943) 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, 1943484 + ... + 1946939.

Almost surely, 2^6722650944 is an apocalyptic number.

6722650944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6722650944 is an abundant number, since it is smaller than the sum of its proper divisors (13040702976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6722650944 is a wasteful number, since it uses less digits than its factorization.

6722650944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890444 (or 3890428 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6722650944 is about 81991.7736361399. The cubic root of 6722650944 is about 1887.3257012216.

The spelling of 6722650944 in words is "six billion, seven hundred twenty-two million, six hundred fifty thousand, nine hundred forty-four".