72844250140 has 24 divisors (see below), whose sum is σ = 152977996080. Its totient is φ = 29136734208.

The previous prime is 72844250137. The next prime is 72844250183. The reversal of 72844250140 is 4105244827.

It is a self number, because there is not a number n which added to its sum of digits gives 72844250140.

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, 1149319 + ... + 1211041.

It is an arithmetic number, because the mean of its divisors is an integer number (6374083170).

Almost surely, 2^72844250140 is an apocalyptic number.

It is an amenable number.

72844250140 is an abundant number, since it is smaller than the sum of its proper divisors (80133745940).

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

72844250140 is a wasteful number, since it uses less digits than its factorization.

72844250140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120741 (or 120739 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

Adding to 72844250140 its reverse (4105244827), we get a palindrome (76949494967).

The spelling of 72844250140 in words is "seventy-two billion, eight hundred forty-four million, two hundred fifty thousand, one hundred forty".