72455077822 has 16 divisors (see below), whose sum is σ = 109914930720. Its totient is φ = 35816850432.

The previous prime is 72455077801. The next prime is 72455077879. The reversal of 72455077822 is 22877055427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867998 + ... + 2893150.

It is an arithmetic number, because the mean of its divisors is an integer number (6869683170).

Almost surely, 2^72455077822 is an apocalyptic number.

72455077822 is a deficient number, since it is larger than the sum of its proper divisors (37459852898).

72455077822 is a wasteful number, since it uses less digits than its factorization.

72455077822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41427.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The spelling of 72455077822 in words is "seventy-two billion, four hundred fifty-five million, seventy-seven thousand, eight hundred twenty-two".