76505 has 16 divisors (see below), whose sum is σ = 108864. Its totient is φ = 50880.

The previous prime is 76493. The next prime is 76507. The reversal of 76505 is 50567.

It is not a de Polignac number, because 76505 - 2⁶ = 76441 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

2⁷⁶⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

76505 is a deficient number, since it is larger than the sum of its proper divisors (32359).

76505 is a wasteful number, since it uses less digits than its factorization.

76505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 76505 is about 276.5953723402. The cubic root of 76505 is about 42.4518485805.

The spelling of 76505 in words is "seventy-six thousand, five hundred five".