72247874227 has 8 divisors (see below), whose sum is σ = 73357005456. Its totient is φ = 71139649152.

The previous prime is 72247874221. The next prime is 72247874233.

72247874227 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (72247874221) and next prime (72247874233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72247874227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72247874221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64978 + ... + 385639.

It is an arithmetic number, because the mean of its divisors is an integer number (9169625682).

Almost surely, 2^72247874227 is an apocalyptic number.

72247874227 is a deficient number, since it is larger than the sum of its proper divisors (1109131229).

72247874227 is a wasteful number, since it uses less digits than its factorization.

72247874227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453077.

The product of its digits is 4917248, while the sum is 52.

The spelling of 72247874227 in words is "seventy-two billion, two hundred forty-seven million, eight hundred seventy-four thousand, two hundred twenty-seven".