6722045568 has 384 divisors, whose sum is σ = 23628259200. Its totient is φ = 1791590400.

The previous prime is 6722045567. The next prime is 6722045569. The reversal of 6722045568 is 8655402276.

6722045568 is a `hidden beast` number, since 6 + 72 + 20 + 4 + 556 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (6722045567) and next prime (6722045569).

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (6722045567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11184468 + ... + 11185068.

It is an arithmetic number, because the mean of its divisors is an integer number (61531925).

Almost surely, 2^6722045568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6722045568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11814129600).

6722045568 is an abundant number, since it is smaller than the sum of its proper divisors (16906213632).

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

6722045568 is a wasteful number, since it uses less digits than its factorization.

6722045568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 6722045568 is about 81988.0818655980. The cubic root of 6722045568 is about 1887.2690481745.

The spelling of 6722045568 in words is "six billion, seven hundred twenty-two million, forty-five thousand, five hundred sixty-eight".