72522236144723 has 2 divisors, whose sum is σ = 72522236144724. Its totient is φ = 72522236144722.

The previous prime is 72522236144717. The next prime is 72522236144797. The reversal of 72522236144723 is 32744163222527.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32744163222527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72522236144723 - 2²⁰ = 72522235096147 is a prime.

It is not a weakly prime, because it can be changed into another prime (72522236147723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261118072361 + 36261118072362.

It is an arithmetic number, because the mean of its divisors is an integer number (36261118072362).

Almost surely, 2^{72522236144723} is an apocalyptic number.

72522236144723 is a deficient number, since it is larger than the sum of its proper divisors (1).

72522236144723 is an equidigital number, since it uses as much as digits as its factorization.

72522236144723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 50.

The spelling of 72522236144723 in words is "seventy-two trillion, five hundred twenty-two billion, two hundred thirty-six million, one hundred forty-four thousand, seven hundred twenty-three".