67285 has 4 divisors (see below), whose sum is σ = 80748. Its totient is φ = 53824.

The previous prime is 67273. The next prime is 67289. The reversal of 67285 is 58276.

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 53361 + 13924 = 231^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 67285 - 2⁷ = 67157 is a prime.

It is a super-3 number, since 3×67285³ = 913852333122375, which contains 333 as substring.

It is a Duffinian number.

67285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (20187).

2⁶⁷²⁸⁵ is an apocalyptic number.

It is an amenable number.

67285 is a deficient number, since it is larger than the sum of its proper divisors (13463).

67285 is a wasteful number, since it uses less digits than its factorization.

67285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462.

The product of its digits is 3360, while the sum is 28.

The square root of 67285 is about 259.3935234350. The cubic root of 67285 is about 40.6729886555.

Subtracting from 67285 its reverse (58276), we obtain a palindrome (9009).

It can be divided in two parts, 672 and 85, that added together give a palindrome (757).

The spelling of 67285 in words is "sixty-seven thousand, two hundred eighty-five".