6722064 has 30 divisors (see below), whose sum is σ = 18812846. Its totient is φ = 2240640.

The previous prime is 6722063. The next prime is 6722069. The reversal of 6722064 is 4602276.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 3600 = 2592^2 + 60^2 .

It is a super-2 number, since 2×6722064² = 90372288840192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6722063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23197 + ... + 23484.

Almost surely, 2^6722064 is an apocalyptic number.

It is an amenable number.

6722064 is an abundant number, since it is smaller than the sum of its proper divisors (12090782).

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

6722064 is a wasteful number, since it uses less digits than its factorization.

6722064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46695 (or 46686 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6722064 is about 2592.6943514421. The cubic root of 6722064 is about 188.7270773151.

The spelling of 6722064 in words is "six million, seven hundred twenty-two thousand, sixty-four".