72352131289 has 16 divisors (see below), whose sum is σ = 77209735680. Its totient is φ = 67683600000.

The previous prime is 72352131263. The next prime is 72352131323. The reversal of 72352131289 is 98213125327.

It is a cyclic number.

It is not a de Polignac number, because 72352131289 - 2³³ = 63762196697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72352137289) 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 15 ways as a sum of consecutive naturals, for example, 122587 + ... + 399664.

It is an arithmetic number, because the mean of its divisors is an integer number (4825608480).

Almost surely, 2^72352131289 is an apocalyptic number.

It is an amenable number.

72352131289 is a deficient number, since it is larger than the sum of its proper divisors (4857604391).

72352131289 is a wasteful number, since it uses less digits than its factorization.

72352131289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522432.

The product of its digits is 181440, while the sum is 43.

The spelling of 72352131289 in words is "seventy-two billion, three hundred fifty-two million, one hundred thirty-one thousand, two hundred eighty-nine".