7504432564 has 12 divisors (see below), whose sum is σ = 13135945284. Its totient is φ = 3751305344.

The previous prime is 7504432511. The next prime is 7504432597. The reversal of 7504432564 is 4652344057.

It can be written as a sum of positive squares in 2 ways, for example, as 1234960164 + 6269472400 = 35142^2 + 79180^2 .

It is a super-2 number, since 2×7504432564² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209029 + ... + 242284.

It is an arithmetic number, because the mean of its divisors is an integer number (1094662107).

Almost surely, 2^7504432564 is an apocalyptic number.

It is an amenable number.

7504432564 is a deficient number, since it is larger than the sum of its proper divisors (5631512720).

7504432564 is a wasteful number, since it uses less digits than its factorization.

7504432564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455474 (or 455472 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 7504432564 is about 86628.1280185599. The cubic root of 7504432564 is about 1957.8193646716.

The spelling of 7504432564 in words is "seven billion, five hundred four million, four hundred thirty-two thousand, five hundred sixty-four".