67605 has 8 divisors (see below), whose sum is σ = 108192. Its totient is φ = 36048.

The previous prime is 67601. The next prime is 67607. The reversal of 67605 is 50676.

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

It is not a de Polignac number, because 67605 - 2² = 67601 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

67605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (13524).

2⁶⁷⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

67605 is a deficient number, since it is larger than the sum of its proper divisors (40587).

67605 is a wasteful number, since it uses less digits than its factorization.

67605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 67605 is about 260.0096152068. The cubic root of 67605 is about 40.7373654484.

The spelling of 67605 in words is "sixty-seven thousand, six hundred five".