67171 has 4 divisors (see below), whose sum is σ = 72352. Its totient is φ = 61992.

The previous prime is 67169. The next prime is 67181. The reversal of 67171 is 17176.

67171 = 1⁶ + 2⁶ + ... + 6⁶.

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 67171 - 2¹ = 67169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67121) 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, 2571 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (18088).

2⁶⁷¹⁷¹ is an apocalyptic number.

67171 is a deficient number, since it is larger than the sum of its proper divisors (5181).

67171 is a wasteful number, since it uses less digits than its factorization.

67171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its digits is 294, while the sum is 22.

The square root of 67171 is about 259.1736869360. The cubic root of 67171 is about 40.6500051187.

The spelling of 67171 in words is "sixty-seven thousand, one hundred seventy-one".