67287 has 8 divisors (see below), whose sum is σ = 97920. Its totient is φ = 40760.

The previous prime is 67273. The next prime is 67289. The reversal of 67287 is 78276.

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

It is a cyclic number.

It is not a de Polignac number, because 67287 - 2⁴ = 67271 is a prime.

67287 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 7 ways as a sum of consecutive naturals, for example, 987 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2⁶⁷²⁸⁷ is an apocalyptic number.

67287 is a deficient number, since it is larger than the sum of its proper divisors (30633).

67287 is a wasteful number, since it uses less digits than its factorization.

67287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its digits is 4704, while the sum is 30.

The square root of 67287 is about 259.3973785527. The cubic root of 67287 is about 40.6733916437.

The spelling of 67287 in words is "sixty-seven thousand, two hundred eighty-seven".