72895993 has 8 divisors (see below), whose sum is σ = 76386816. Its totient is φ = 69432000.

The previous prime is 72895987. The next prime is 72896003. The reversal of 72895993 is 39959827.

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

It is a cyclic number.

It is not a de Polignac number, because 72895993 - 2⁹ = 72895481 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 72895993.

It is not an unprimeable number, because it can be changed into a prime (72895903) 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, 1033 + ... + 12118.

It is an arithmetic number, because the mean of its divisors is an integer number (9548352).

Almost surely, 2^72895993 is an apocalyptic number.

It is an amenable number.

72895993 is a deficient number, since it is larger than the sum of its proper divisors (3490823).

72895993 is a wasteful number, since it uses less digits than its factorization.

72895993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415.

The product of its digits is 1224720, while the sum is 52.

The square root of 72895993 is about 8537.9150265155. The cubic root of 72895993 is about 417.7353410386.

It can be divided in two parts, 728 and 95993, that added together give a square (96721 = 311²).

The spelling of 72895993 in words is "seventy-two million, eight hundred ninety-five thousand, nine hundred ninety-three".