72889185293 has 8 divisors (see below), whose sum is σ = 72965124000. Its totient is φ = 72813286000.

The previous prime is 72889185277. The next prime is 72889185337. The reversal of 72889185293 is 39258198827.

It is a happy number.

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 72889185293 - 2⁴ = 72889185277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72889185493) 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, 4865771 + ... + 4880727.

It is an arithmetic number, because the mean of its divisors is an integer number (9120640500).

Almost surely, 2^72889185293 is an apocalyptic number.

It is an amenable number.

72889185293 is a deficient number, since it is larger than the sum of its proper divisors (75938707).

72889185293 is a wasteful number, since it uses less digits than its factorization.

72889185293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19707.

The product of its digits is 17418240, while the sum is 62.

The spelling of 72889185293 in words is "seventy-two billion, eight hundred eighty-nine million, one hundred eighty-five thousand, two hundred ninety-three".