75564685 has 16 divisors (see below), whose sum is σ = 104947200. Its totient is φ = 51158016.

The previous prime is 75564667. The next prime is 75564689. The reversal of 75564685 is 58646557.

It is not a de Polignac number, because 75564685 - 2⁹ = 75564173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75564689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 16429.

It is an arithmetic number, because the mean of its divisors is an integer number (6559200).

Almost surely, 2^75564685 is an apocalyptic number.

It is an amenable number.

75564685 is a deficient number, since it is larger than the sum of its proper divisors (29382515).

75564685 is a wasteful number, since it uses less digits than its factorization.

75564685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27420.

The product of its digits is 1008000, while the sum is 46.

The square root of 75564685 is about 8692.7950050602. The cubic root of 75564685 is about 422.7720736284.

The spelling of 75564685 in words is "seventy-five million, five hundred sixty-four thousand, six hundred eighty-five".