72854918418 has 16 divisors (see below), whose sum is σ = 145722890880. Its totient is φ = 24282797136.

The previous prime is 72854918417. The next prime is 72854918419. The reversal of 72854918418 is 81481945827.

It is an interprime number because it is at equal distance from previous prime (72854918417) and next prime (72854918419).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72854918417) 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, 470605 + ... + 605952.

It is an arithmetic number, because the mean of its divisors is an integer number (9107680680).

Almost surely, 2^72854918418 is an apocalyptic number.

72854918418 is an abundant number, since it is smaller than the sum of its proper divisors (72867972462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72854918418 is a wasteful number, since it uses less digits than its factorization.

72854918418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087841.

The product of its digits is 5160960, while the sum is 57.

The spelling of 72854918418 in words is "seventy-two billion, eight hundred fifty-four million, nine hundred eighteen thousand, four hundred eighteen".