7528661872224 has 96 divisors (see below), whose sum is σ = 22026580490880. Its totient is φ = 2237620856832.

The previous prime is 7528661872213. The next prime is 7528661872271. The reversal of 7528661872224 is 4222781668257.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121367694 + ... + 121429709.

It is an arithmetic number, because the mean of its divisors is an integer number (229443546780).

Almost surely, 2^{7528661872224} is an apocalyptic number.

It is an amenable number.

7528661872224 is an abundant number, since it is smaller than the sum of its proper divisors (14497918618656).

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

7528661872224 is a wasteful number, since it uses less digits than its factorization.

7528661872224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242797452 (or 242797444 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 7528661872224 in words is "seven trillion, five hundred twenty-eight billion, six hundred sixty-one million, eight hundred seventy-two thousand, two hundred twenty-four".