4075 has 6 divisors (see below), whose sum is σ = 5084. Its totient is φ = 3240.

The previous prime is 4073. The next prime is 4079. The reversal of 4075 is 5704.

It is not a de Polignac number, because 4075 - 2¹ = 4073 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8 and base 16.

It is not an unprimeable number, because it can be changed into a prime (4073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57 + ... + 106.

2⁴⁰⁷⁵ is an apocalyptic number.

4075 is a deficient number, since it is larger than the sum of its proper divisors (1009).

4075 is a wasteful number, since it uses less digits than its factorization.

4075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 4075 is about 63.8357266740. The cubic root of 4075 is about 15.9726093864.

Adding to 4075 its reverse (5704), we get a palindrome (9779).

The spelling of 4075 in words is "four thousand, seventy-five".