72579359 has 4 divisors (see below), whose sum is σ = 72617160. Its totient is φ = 72541560.

The previous prime is 72579349. The next prime is 72579361. The reversal of 72579359 is 95397527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72579359 - 2⁴ = 72579343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72579349) 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, 15857 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (18154290).

Almost surely, 2^72579359 is an apocalyptic number.

72579359 is a deficient number, since it is larger than the sum of its proper divisors (37801).

72579359 is a wasteful number, since it uses less digits than its factorization.

72579359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37800.

The product of its digits is 595350, while the sum is 47.

The square root of 72579359 is about 8519.3520293506. The cubic root of 72579359 is about 417.1296324577.

The spelling of 72579359 in words is "seventy-two million, five hundred seventy-nine thousand, three hundred fifty-nine".