72642108484 has 27 divisors (see below), whose sum is σ = 139742404543. Its totient is φ = 33016445000.

The previous prime is 72642108481. The next prime is 72642108509. The reversal of 72642108484 is 48480124627.

The square root of 72642108484 is 269522.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72642108481) 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 8 ways as a sum of consecutive naturals, for example, 5923359 + ... + 5935609.

Almost surely, 2^72642108484 is an apocalyptic number.

72642108484 is the 269522-nd square number.

It is an amenable number.

72642108484 is a deficient number, since it is larger than the sum of its proper divisors (67100296059).

72642108484 is an equidigital number, since it uses as much as digits as its factorization.

72642108484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528 (or 12264 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 72642108484 in words is "seventy-two billion, six hundred forty-two million, one hundred eight thousand, four hundred eighty-four".