72211707200 has 42 divisors (see below), whose sum is σ = 177685935966. Its totient is φ = 28884682240.

The previous prime is 72211707199. The next prime is 72211707203. The reversal of 72211707200 is 270711227.

It can be written as a sum of positive squares in 3 ways, for example, as 533425216 + 71678281984 = 23096^2 + 267728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72211707203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22564559 + ... + 22567758.

It is an arithmetic number, because the mean of its divisors is an integer number (4230617523).

Almost surely, 2^72211707200 is an apocalyptic number.

It is an amenable number.

72211707200 is an abundant number, since it is smaller than the sum of its proper divisors (105474228766).

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

72211707200 is a wasteful number, since it uses less digits than its factorization.

72211707200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132339 (or 45132324 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

The spelling of 72211707200 in words is "seventy-two billion, two hundred eleven million, seven hundred seven thousand, two hundred".