75085 has 4 divisors (see below), whose sum is σ = 90108. Its totient is φ = 60064.

The previous prime is 75083. The next prime is 75109. The reversal of 75085 is 58057.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26244 + 48841 = 162^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 75085 - 2¹ = 75083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75083) 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, 7504 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (22527).

2⁷⁵⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

75085 is a deficient number, since it is larger than the sum of its proper divisors (15023).

75085 is a wasteful number, since it uses less digits than its factorization.

75085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15022.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 75085 is about 274.0164228655. The cubic root of 75085 is about 42.1875587562.

The spelling of 75085 in words is "seventy-five thousand, eighty-five".