72989495193 has 8 divisors (see below), whose sum is σ = 97541012800. Its totient is φ = 48548820528.

The previous prime is 72989495191. The next prime is 72989495207. The reversal of 72989495193 is 39159498927.

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

It is not a de Polignac number, because 72989495193 - 2¹ = 72989495191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72989495191) 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, 27709198 + ... + 27711831.

It is an arithmetic number, because the mean of its divisors is an integer number (12192626600).

Almost surely, 2^72989495193 is an apocalyptic number.

It is an amenable number.

72989495193 is a deficient number, since it is larger than the sum of its proper divisors (24551517607).

72989495193 is a wasteful number, since it uses less digits than its factorization.

72989495193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55421471.

The product of its digits is 44089920, while the sum is 66.

The spelling of 72989495193 in words is "seventy-two billion, nine hundred eighty-nine million, four hundred ninety-five thousand, one hundred ninety-three".