76165 has 4 divisors (see below), whose sum is σ = 91404. Its totient is φ = 60928.

The previous prime is 76163. The next prime is 76207. The reversal of 76165 is 56167.

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 19044 + 57121 = 138^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 76165 - 2¹ = 76163 is a prime.

It is a super-2 number, since 2×76165² = 11602214450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7612 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (22851).

2⁷⁶¹⁶⁵ is an apocalyptic number.

It is an amenable number.

76165 is a deficient number, since it is larger than the sum of its proper divisors (15239).

76165 is a wasteful number, since it uses less digits than its factorization.

76165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238.

The product of its digits is 1260, while the sum is 25.

The square root of 76165 is about 275.9800717443. The cubic root of 76165 is about 42.3888676719.

The spelling of 76165 in words is "seventy-six thousand, one hundred sixty-five".