72248092225252 has 12 divisors (see below), whose sum is σ = 133871465005740. Its totient is φ = 33999102223616.

The previous prime is 72248092225249. The next prime is 72248092225391. The reversal of 72248092225252 is 25252229084227.

It can be written as a sum of positive squares in 2 ways, for example, as 61756556629156 + 10491535596096 = 7858534^2 + 3239064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72248092225252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531235972177 + ... + 531235972312.

It is an arithmetic number, because the mean of its divisors is an integer number (11155955417145).

Almost surely, 2^{72248092225252} is an apocalyptic number.

It is an amenable number.

72248092225252 is a deficient number, since it is larger than the sum of its proper divisors (61623372780488).

72248092225252 is a wasteful number, since it uses less digits than its factorization.

72248092225252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062471944510 (or 1062471944508 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 72248092225252 in words is "seventy-two trillion, two hundred forty-eight billion, ninety-two million, two hundred twenty-five thousand, two hundred fifty-two".