72364207173 has 16 divisors (see below), whose sum is σ = 102896216640. Its totient is φ = 45078333696.

The previous prime is 72364207163. The next prime is 72364207187. The reversal of 72364207173 is 37170246327.

It is a happy number.

It is not a de Polignac number, because 72364207173 - 2¹⁰ = 72364206149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72364207103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5096890 + ... + 5111067.

It is an arithmetic number, because the mean of its divisors is an integer number (6431013540).

Almost surely, 2^72364207173 is an apocalyptic number.

It is an amenable number.

72364207173 is a deficient number, since it is larger than the sum of its proper divisors (30532009467).

72364207173 is a wasteful number, since it uses less digits than its factorization.

72364207173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208116.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 72364207173 in words is "seventy-two billion, three hundred sixty-four million, two hundred seven thousand, one hundred seventy-three".