75165 has 8 divisors (see below), whose sum is σ = 120288. Its totient is φ = 40080.

The previous prime is 75161. The next prime is 75167. The reversal of 75165 is 56157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75165 - 2² = 75161 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (15036).

2⁷⁵¹⁶⁵ is an apocalyptic number.

It is an amenable number.

75165 is a deficient number, since it is larger than the sum of its proper divisors (45123).

75165 is a wasteful number, since it uses less digits than its factorization.

75165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019.

The product of its digits is 1050, while the sum is 24.

The square root of 75165 is about 274.1623606551. The cubic root of 75165 is about 42.2025364782.

The spelling of 75165 in words is "seventy-five thousand, one hundred sixty-five".