72944589 has 16 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 47376576.

The previous prime is 72944587. The next prime is 72944687. The reversal of 72944589 is 98544927.

It is not a de Polignac number, because 72944589 - 2¹ = 72944587 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72944587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22152 + ... + 25230.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^72944589 is an apocalyptic number.

It is an amenable number.

72944589 is a deficient number, since it is larger than the sum of its proper divisors (26847411).

72944589 is a wasteful number, since it uses less digits than its factorization.

72944589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its digits is 725760, while the sum is 48.

The square root of 72944589 is about 8540.7604462366. The cubic root of 72944589 is about 417.8281479563.

The spelling of 72944589 in words is "seventy-two million, nine hundred forty-four thousand, five hundred eighty-nine".