72559113 has 8 divisors (see below), whose sum is σ = 105540576. Its totient is φ = 43975200.

The previous prime is 72559087. The next prime is 72559129. The reversal of 72559113 is 31195527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72559113 - 2⁶ = 72559049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2198761 = 72559113 / (7 + 2 + 5 + 5 + 9 + 1 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (72559163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099348 + ... + 1099413.

It is an arithmetic number, because the mean of its divisors is an integer number (13192572).

Almost surely, 2^72559113 is an apocalyptic number.

It is an amenable number.

72559113 is a deficient number, since it is larger than the sum of its proper divisors (32981463).

72559113 is a wasteful number, since it uses less digits than its factorization.

72559113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198775.

The product of its digits is 9450, while the sum is 33.

The square root of 72559113 is about 8518.1637105658. The cubic root of 72559113 is about 417.0908427704.

The spelling of 72559113 in words is "seventy-two million, five hundred fifty-nine thousand, one hundred thirteen".