7572081609 has 40 divisors (see below), whose sum is σ = 12029703840. Its totient is φ = 4732971264.

The previous prime is 7572081599. The next prime is 7572081611. The reversal of 7572081609 is 9061802757.

It is not a de Polignac number, because 7572081609 - 2⁵ = 7572081577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7572081619) 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 39 ways as a sum of consecutive naturals, for example, 123922 + ... + 174644.

It is an arithmetic number, because the mean of its divisors is an integer number (300742596).

Almost surely, 2^7572081609 is an apocalyptic number.

It is an amenable number.

7572081609 is a deficient number, since it is larger than the sum of its proper divisors (4457622231).

7572081609 is a wasteful number, since it uses less digits than its factorization.

7572081609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50851 (or 50842 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 7572081609 is about 87017.7085942856. The cubic root of 7572081609 is about 1963.6847255503.

The spelling of 7572081609 in words is "seven billion, five hundred seventy-two million, eighty-one thousand, six hundred nine".