72339340183 has 16 divisors (see below), whose sum is σ = 80490674592. Its totient is φ = 64453168000.

The previous prime is 72339340181. The next prime is 72339340189. The reversal of 72339340183 is 38104393327.

It is a cyclic number.

It is not a de Polignac number, because 72339340183 - 2¹ = 72339340181 is a prime.

It is a super-2 number, since 2×72339340183² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72339340181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482673 + ... + 614533.

It is an arithmetic number, because the mean of its divisors is an integer number (5030667162).

Almost surely, 2^72339340183 is an apocalyptic number.

72339340183 is a deficient number, since it is larger than the sum of its proper divisors (8151334409).

72339340183 is a wasteful number, since it uses less digits than its factorization.

72339340183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132866.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 72339340183 in words is "seventy-two billion, three hundred thirty-nine million, three hundred forty thousand, one hundred eighty-three".