72324771475 has 48 divisors (see below), whose sum is σ = 100443856896. Its totient is φ = 51209408000.

The previous prime is 72324771469. The next prime is 72324771479. The reversal of 72324771475 is 57417742327.

It is not a de Polignac number, because 72324771475 - 2⁵ = 72324771443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72324771479) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2454027 + ... + 2483323.

It is an arithmetic number, because the mean of its divisors is an integer number (2092580352).

Almost surely, 2^72324771475 is an apocalyptic number.

72324771475 is a deficient number, since it is larger than the sum of its proper divisors (28119085421).

72324771475 is a wasteful number, since it uses less digits than its factorization.

72324771475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29556 (or 29551 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 49.

The spelling of 72324771475 in words is "seventy-two billion, three hundred twenty-four million, seven hundred seventy-one thousand, four hundred seventy-five".