72272027227 has 4 divisors (see below), whose sum is σ = 74603382976. Its totient is φ = 69940671480.

The previous prime is 72272027203. The next prime is 72272027231.

72272027227 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72272027227 - 2¹¹ = 72272025179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72272027227.

It is not an unprimeable number, because it can be changed into a prime (72272027297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165677828 + ... + 1165677889.

It is an arithmetic number, because the mean of its divisors is an integer number (18650845744).

Almost surely, 2^72272027227 is an apocalyptic number.

72272027227 is a deficient number, since it is larger than the sum of its proper divisors (2331355749).

72272027227 is a wasteful number, since it uses less digits than its factorization.

72272027227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331355748.

The product of its (nonzero) digits is 153664, while the sum is 40.

It can be divided in two parts, 722720 and 27227, that added together give a palindrome (749947).

The spelling of 72272027227 in words is "seventy-two billion, two hundred seventy-two million, twenty-seven thousand, two hundred twenty-seven".