7528752080 has 90 divisors (see below), whose sum is σ = 17867141586. Its totient is φ = 2950345728.

The previous prime is 7528752079. The next prime is 7528752113. The reversal of 7528752080 is 802578257.

It can be written as a sum of positive squares in 9 ways, for example, as 2351086144 + 5177665936 = 48488^2 + 71956^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69071066 + ... + 69071174.

Almost surely, 2^7528752080 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 7528752080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8933570793).

7528752080 is an abundant number, since it is smaller than the sum of its proper divisors (10338389506).

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

7528752080 is an equidigital number, since it uses as much as digits as its factorization.

7528752080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 7528752080 is about 86768.3817989018. The cubic root of 7528752080 is about 1959.9319773699.

The spelling of 7528752080 in words is "seven billion, five hundred twenty-eight million, seven hundred fifty-two thousand, eighty".