6722747312 has 10 divisors (see below), whose sum is σ = 13025322948. Its totient is φ = 3361373648.

The previous prime is 6722747299. The next prime is 6722747347. The reversal of 6722747312 is 2137472276.

It is a self number, because there is not a number n which added to its sum of digits gives 6722747312.

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 as a sum of consecutive naturals, namely, 210085838 + ... + 210085869.

Almost surely, 2^6722747312 is an apocalyptic number.

It is an amenable number.

6722747312 is a deficient number, since it is larger than the sum of its proper divisors (6302575636).

6722747312 is a wasteful number, since it uses less digits than its factorization.

6722747312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420171715 (or 420171709 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The square root of 6722747312 is about 81992.3613027458. The cubic root of 6722747312 is about 1887.3347193374.

The spelling of 6722747312 in words is "six billion, seven hundred twenty-two million, seven hundred forty-seven thousand, three hundred twelve".