72209140099 has 4 divisors (see below), whose sum is σ = 73970338680. Its totient is φ = 70447941520.

The previous prime is 72209140093. The next prime is 72209140111. The reversal of 72209140099 is 99004190227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72209140099 - 2²⁵ = 72175585667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72209140093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880599229 + ... + 880599310.

It is an arithmetic number, because the mean of its divisors is an integer number (18492584670).

Almost surely, 2^72209140099 is an apocalyptic number.

72209140099 is a deficient number, since it is larger than the sum of its proper divisors (1761198581).

72209140099 is a wasteful number, since it uses less digits than its factorization.

72209140099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761198580.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 72209140099 in words is "seventy-two billion, two hundred nine million, one hundred forty thousand, ninety-nine".