72274247227 has 16 divisors (see below), whose sum is σ = 90845540352. Its totient is φ = 55967335200.

The previous prime is 72274247203. The next prime is 72274247233.

72274247227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72274247227 - 2⁷ = 72274247099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72274247827) 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, 8444899 + ... + 8453452.

It is an arithmetic number, because the mean of its divisors is an integer number (5677846272).

Almost surely, 2^72274247227 is an apocalyptic number.

72274247227 is a deficient number, since it is larger than the sum of its proper divisors (18571293125).

72274247227 is a wasteful number, since it uses less digits than its factorization.

72274247227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898418.

The product of its digits is 1229312, while the sum is 46.

The spelling of 72274247227 in words is "seventy-two billion, two hundred seventy-four million, two hundred forty-seven thousand, two hundred twenty-seven".