72246864227 has 4 divisors (see below), whose sum is σ = 72249884520. Its totient is φ = 72243843936.

The previous prime is 72246864121. The next prime is 72246864233.

72246864227 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 72246864227 - 2⁸ = 72246863971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72246867227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473977 + ... + 1522202.

It is an arithmetic number, because the mean of its divisors is an integer number (18062471130).

Almost surely, 2^72246864227 is an apocalyptic number.

72246864227 is a deficient number, since it is larger than the sum of its proper divisors (3020293).

72246864227 is a wasteful number, since it uses less digits than its factorization.

72246864227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020292.

The product of its digits is 3612672, while the sum is 50.

The spelling of 72246864227 in words is "seventy-two billion, two hundred forty-six million, eight hundred sixty-four thousand, two hundred twenty-seven".