72201752388 has 72 divisors (see below), whose sum is σ = 183272544000. Its totient is φ = 23966882496.

The previous prime is 72201752383. The next prime is 72201752401. The reversal of 72201752388 is 88325710227.

It is not an unprimeable number, because it can be changed into a prime (72201752383) 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 23 ways as a sum of consecutive naturals, for example, 10839403 + ... + 10846061.

It is an arithmetic number, because the mean of its divisors is an integer number (2545452000).

Almost surely, 2^72201752388 is an apocalyptic number.

It is an amenable number.

72201752388 is an abundant number, since it is smaller than the sum of its proper divisors (111070791612).

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

72201752388 is a wasteful number, since it uses less digits than its factorization.

72201752388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881 (or 7876 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 72201752388 in words is "seventy-two billion, two hundred one million, seven hundred fifty-two thousand, three hundred eighty-eight".