72199268242 has 16 divisors (see below), whose sum is σ = 112502888064. Its totient is φ = 34723108000.

The previous prime is 72199268227. The next prime is 72199268261. The reversal of 72199268242 is 24286299127.

It is a self number, because there is not a number n which added to its sum of digits gives 72199268242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194734 + ... + 6206377.

It is an arithmetic number, because the mean of its divisors is an integer number (7031430504).

Almost surely, 2^72199268242 is an apocalyptic number.

72199268242 is a deficient number, since it is larger than the sum of its proper divisors (40303619822).

72199268242 is a wasteful number, since it uses less digits than its factorization.

72199268242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401225.

The product of its digits is 1741824, while the sum is 52.

The spelling of 72199268242 in words is "seventy-two billion, one hundred ninety-nine million, two hundred sixty-eight thousand, two hundred forty-two".