72246464227 has 16 divisors (see below), whose sum is σ = 83471032512. Its totient is φ = 61249075200.

The previous prime is 72246464209. The next prime is 72246464261.

72246464227 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72246464227 - 2¹¹ = 72246462179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72246474227) 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, 638443 + ... + 743035.

It is an arithmetic number, because the mean of its divisors is an integer number (5216939532).

Almost surely, 2^72246464227 is an apocalyptic number.

72246464227 is a deficient number, since it is larger than the sum of its proper divisors (11224568285).

72246464227 is a wasteful number, since it uses less digits than its factorization.

72246464227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105678.

The product of its digits is 1806336, while the sum is 46.

The spelling of 72246464227 in words is "seventy-two billion, two hundred forty-six million, four hundred sixty-four thousand, two hundred twenty-seven".