7528230528 has 256 divisors, whose sum is σ = 24876445440. Its totient is φ = 1964113920.

The previous prime is 7528230527. The next prime is 7528230587. The reversal of 7528230528 is 8250328257.

It is a super-2 number, since 2×7528230528² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 7528230528.

It is not an unprimeable number, because it can be changed into a prime (7528230527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3388458 + ... + 3390678.

It is an arithmetic number, because the mean of its divisors is an integer number (97173615).

Almost surely, 2^7528230528 is an apocalyptic number.

7528230528 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7528230528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12438222720).

7528230528 is an abundant number, since it is smaller than the sum of its proper divisors (17348214912).

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

7528230528 is a wasteful number, since it uses less digits than its factorization.

7528230528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 7528230528 is about 86765.3763202811. The cubic root of 7528230528 is about 1959.8867184285.

The spelling of 7528230528 in words is "seven billion, five hundred twenty-eight million, two hundred thirty thousand, five hundred twenty-eight".