72037361240 has 64 divisors (see below), whose sum is σ = 174733796160. Its totient is φ = 26570718720.

The previous prime is 72037361239. The next prime is 72037361243. The reversal of 72037361240 is 4216373027.

It is a self number, because there is not a number n which added to its sum of digits gives 72037361240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72037361243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431210 + ... + 574470.

It is an arithmetic number, because the mean of its divisors is an integer number (2730215565).

Almost surely, 2^72037361240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72037361240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87366898080).

72037361240 is an abundant number, since it is smaller than the sum of its proper divisors (102696434920).

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

72037361240 is a wasteful number, since it uses less digits than its factorization.

72037361240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144252 (or 144248 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 72037361240 in words is "seventy-two billion, thirty-seven million, three hundred sixty-one thousand, two hundred forty".