6721272319 has 8 divisors (see below), whose sum is σ = 6957261360. Its totient is φ = 6485564736.

The previous prime is 6721272307. The next prime is 6721272323. The reversal of 6721272319 is 9132721276.

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 6721272319 - 2⁷ = 6721272191 is a prime.

It is a super-2 number, since 2×6721272319² = 90351003172311275522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6721272379) 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, 21174 + ... + 117859.

It is an arithmetic number, because the mean of its divisors is an integer number (869657670).

Almost surely, 2^6721272319 is an apocalyptic number.

6721272319 is a deficient number, since it is larger than the sum of its proper divisors (235989041).

6721272319 is a wasteful number, since it uses less digits than its factorization.

6721272319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140729.

The product of its digits is 63504, while the sum is 40.

The square root of 6721272319 is about 81983.3661116693. The cubic root of 6721272319 is about 1887.1966800811.

The spelling of 6721272319 in words is "six billion, seven hundred twenty-one million, two hundred seventy-two thousand, three hundred nineteen".