67087 has 4 divisors (see below), whose sum is σ = 68080. Its totient is φ = 66096.

The previous prime is 67079. The next prime is 67103. The reversal of 67087 is 78076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67087 - 2³ = 67079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67057) 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, 387 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (17020).

2⁶⁷⁰⁸⁷ is an apocalyptic number.

67087 is a deficient number, since it is larger than the sum of its proper divisors (993).

67087 is an equidigital number, since it uses as much as digits as its factorization.

67087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 67087 is about 259.0115827526. The cubic root of 67087 is about 40.6330532358.

It can be divided in two parts, 670 and 87, that added together give a palindrome (757).

The spelling of 67087 in words is "sixty-seven thousand, eighty-seven".