6722500643 has 8 divisors (see below), whose sum is σ = 6972480000. Its totient is φ = 6473732608.

The previous prime is 6722500627. The next prime is 6722500679. The reversal of 6722500643 is 3460052276.

6722500643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6722500643 - 2⁴ = 6722500627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722500943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291518 + ... + 313731.

It is an arithmetic number, because the mean of its divisors is an integer number (871560000).

Almost surely, 2^6722500643 is an apocalyptic number.

6722500643 is a deficient number, since it is larger than the sum of its proper divisors (249979357).

6722500643 is a wasteful number, since it uses less digits than its factorization.

6722500643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605661.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 6722500643 is about 81990.8570695538. The cubic root of 6722500643 is about 1887.3116358845.

The spelling of 6722500643 in words is "six billion, seven hundred twenty-two million, five hundred thousand, six hundred forty-three".