72295484155 has 4 divisors (see below), whose sum is σ = 86754580992. Its totient is φ = 57836387320.

The previous prime is 72295484119. The next prime is 72295484161. The reversal of 72295484155 is 55148459227.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-72295484155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7229548411 + ... + 7229548420.

It is an arithmetic number, because the mean of its divisors is an integer number (21688645248).

Almost surely, 2^72295484155 is an apocalyptic number.

72295484155 is a deficient number, since it is larger than the sum of its proper divisors (14459096837).

72295484155 is a wasteful number, since it uses less digits than its factorization.

72295484155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459096836.

The product of its digits is 4032000, while the sum is 52.

The spelling of 72295484155 in words is "seventy-two billion, two hundred ninety-five million, four hundred eighty-four thousand, one hundred fifty-five".