75535 has 4 divisors (see below), whose sum is σ = 90648. Its totient is φ = 60424.

The previous prime is 75533. The next prime is 75539. The reversal of 75535 is 53557.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75535 - 2¹ = 75533 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7549 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (22662).

2⁷⁵⁵³⁵ is an apocalyptic number.

75535 is a deficient number, since it is larger than the sum of its proper divisors (15113).

75535 is a wasteful number, since it uses less digits than its factorization.

75535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112.

The product of its digits is 2625, while the sum is 25.

The square root of 75535 is about 274.8363149222. The cubic root of 75535 is about 42.2716705468.

The spelling of 75535 in words is "seventy-five thousand, five hundred thirty-five".