7576564540 has 12 divisors (see below), whose sum is σ = 15910785576. Its totient is φ = 3030625808.

The previous prime is 7576564529. The next prime is 7576564549. The reversal of 7576564540 is 454656757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7576564549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189414094 + ... + 189414133.

It is an arithmetic number, because the mean of its divisors is an integer number (1325898798).

Almost surely, 2^7576564540 is an apocalyptic number.

It is an amenable number.

7576564540 is an abundant number, since it is smaller than the sum of its proper divisors (8334221036).

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

7576564540 is a wasteful number, since it uses less digits than its factorization.

7576564540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378828236 (or 378828234 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The square root of 7576564540 is about 87043.4635110529. The cubic root of 7576564540 is about 1964.0721719143.

The spelling of 7576564540 in words is "seven billion, five hundred seventy-six million, five hundred sixty-four thousand, five hundred forty".