72394561184 has 24 divisors (see below), whose sum is σ = 155483774208. Its totient is φ = 32906618560.

The previous prime is 72394561177. The next prime is 72394561189. The reversal of 72394561184 is 48116549327.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72394561189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102832832 + ... + 102833535.

It is an arithmetic number, because the mean of its divisors is an integer number (6478490592).

Almost surely, 2^72394561184 is an apocalyptic number.

It is an amenable number.

72394561184 is an abundant number, since it is smaller than the sum of its proper divisors (83089213024).

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

72394561184 is a wasteful number, since it uses less digits than its factorization.

72394561184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205666388 (or 205666380 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 72394561184 in words is "seventy-two billion, three hundred ninety-four million, five hundred sixty-one thousand, one hundred eighty-four".