75605565 has 16 divisors (see below), whose sum is σ = 138250368. Its totient is φ = 34562496.

The previous prime is 75605533. The next prime is 75605587. The reversal of 75605565 is 56550657.

It is not a de Polignac number, because 75605565 - 2⁵ = 75605533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359922 + ... + 360131.

It is an arithmetic number, because the mean of its divisors is an integer number (8640648).

Almost surely, 2^75605565 is an apocalyptic number.

It is an amenable number.

75605565 is a deficient number, since it is larger than the sum of its proper divisors (62644803).

75605565 is a wasteful number, since it uses less digits than its factorization.

75605565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720068.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 75605565 is about 8695.1460597278. The cubic root of 75605565 is about 422.8482988591.

The spelling of 75605565 in words is "seventy-five million, six hundred five thousand, five hundred sixty-five".