72885321140 has 24 divisors (see below), whose sum is σ = 153860539392. Its totient is φ = 29001487520.

The previous prime is 72885321137. The next prime is 72885321169. The reversal of 72885321140 is 4112358827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9536144 + ... + 9543783.

It is an arithmetic number, because the mean of its divisors is an integer number (6410855808).

Almost surely, 2^72885321140 is an apocalyptic number.

It is an amenable number.

72885321140 is an abundant number, since it is smaller than the sum of its proper divisors (80975218252).

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

72885321140 is a wasteful number, since it uses less digits than its factorization.

72885321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080127 (or 19080125 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

Adding to 72885321140 its reverse (4112358827), we get a palindrome (76997679967).

The spelling of 72885321140 in words is "seventy-two billion, eight hundred eighty-five million, three hundred twenty-one thousand, one hundred forty".