6727320081 has 16 divisors (see below), whose sum is σ = 9972438400. Its totient is φ = 4482162864.

The previous prime is 6727320079. The next prime is 6727320091. The reversal of 6727320081 is 1800237276.

6727320081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6727320081 - 2¹ = 6727320079 is a prime.

It is a super-2 number, since 2×6727320081² = 90513670944451693122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6727320001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29581 + ... + 119706.

It is an arithmetic number, because the mean of its divisors is an integer number (623277400).

Almost surely, 2^6727320081 is an apocalyptic number.

It is an amenable number.

6727320081 is a deficient number, since it is larger than the sum of its proper divisors (3245118319).

6727320081 is a wasteful number, since it uses less digits than its factorization.

6727320081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150965 (or 150959 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 6727320081 is about 82020.2418979608. The cubic root of 6727320081 is about 1887.7625399524.

The spelling of 6727320081 in words is "six billion, seven hundred twenty-seven million, three hundred twenty thousand, eighty-one".