7521223248 has 720 divisors, whose sum is σ = 28742785344. Its totient is φ = 1881169920.

The previous prime is 7521223223. The next prime is 7521223271. The reversal of 7521223248 is 8423221257.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 77538336 + ... + 77538432.

Almost surely, 2^7521223248 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 7521223248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14371392672).

7521223248 is an abundant number, since it is smaller than the sum of its proper divisors (21221562096).

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

7521223248 is a wasteful number, since it uses less digits than its factorization.

7521223248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 157 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 7521223248 is about 86724.9862957614. The cubic root of 7521223248 is about 1959.2784418798.

The spelling of 7521223248 in words is "seven billion, five hundred twenty-one million, two hundred twenty-three thousand, two hundred forty-eight".