72796589 has 4 divisors (see below), whose sum is σ = 73503456. Its totient is φ = 72089724.

The previous prime is 72796573. The next prime is 72796597. The reversal of 72796589 is 98569727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98569727 = 757 ⋅130211.

It is a cyclic number.

It is not a de Polignac number, because 72796589 - 2⁴ = 72796573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72796589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72796519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353279 + ... + 353484.

It is an arithmetic number, because the mean of its divisors is an integer number (18375864).

Almost surely, 2^72796589 is an apocalyptic number.

It is an amenable number.

72796589 is a deficient number, since it is larger than the sum of its proper divisors (706867).

72796589 is a wasteful number, since it uses less digits than its factorization.

72796589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706866.

The product of its digits is 1905120, while the sum is 53.

The square root of 72796589 is about 8532.0917130561. The cubic root of 72796589 is about 417.5453742503.

The spelling of 72796589 in words is "seventy-two million, seven hundred ninety-six thousand, five hundred eighty-nine".