72195042399 has 8 divisors (see below), whose sum is σ = 96477349632. Its totient is φ = 48021381720.

The previous prime is 72195042377. The next prime is 72195042407. The reversal of 72195042399 is 99324059127.

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

It is not a de Polignac number, because 72195042399 - 2²⁴ = 72178265183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72195047399) 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, 27160087 + ... + 27162744.

It is an arithmetic number, because the mean of its divisors is an integer number (12059668704).

Almost surely, 2^72195042399 is an apocalyptic number.

72195042399 is a deficient number, since it is larger than the sum of its proper divisors (24282307233).

72195042399 is a wasteful number, since it uses less digits than its factorization.

72195042399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54323277.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 72195042399 in words is "seventy-two billion, one hundred ninety-five million, forty-two thousand, three hundred ninety-nine".