7532527720 has 16 divisors (see below), whose sum is σ = 16948187460. Its totient is φ = 3013011072.

The previous prime is 7532527687. The next prime is 7532527741. The reversal of 7532527720 is 277252357.

It can be written as a sum of positive squares in 2 ways, for example, as 6108672964 + 1423854756 = 78158^2 + 37734^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 188313193 = 7532527720 / (7 + 5 + 3 + 2 + 5 + 2 + 7 + 7 + 2 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94156557 + ... + 94156636.

Almost surely, 2^7532527720 is an apocalyptic number.

It is an amenable number.

7532527720 is an abundant number, since it is smaller than the sum of its proper divisors (9415659740).

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

7532527720 is a wasteful number, since it uses less digits than its factorization.

7532527720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188313204 (or 188313200 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 40.

The square root of 7532527720 is about 86790.1360754781. The cubic root of 7532527720 is about 1960.2595553808.

The spelling of 7532527720 in words is "seven billion, five hundred thirty-two million, five hundred twenty-seven thousand, seven hundred twenty".