67071 has 8 divisors (see below), whose sum is σ = 90880. Its totient is φ = 43992.

The previous prime is 67061. The next prime is 67073. The reversal of 67071 is 17076.

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

It is not a de Polignac number, because 67071 - 2⁷ = 66943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 378.

It is an arithmetic number, because the mean of its divisors is an integer number (11360).

2⁶⁷⁰⁷¹ is an apocalyptic number.

67071 is a deficient number, since it is larger than the sum of its proper divisors (23809).

67071 is a wasteful number, since it uses less digits than its factorization.

67071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 67071 is about 258.9806942612. The cubic root of 67071 is about 40.6298227016.

It can be divided in two parts, 670 and 71, that added together give a triangular number (741 = T₃₈).

The spelling of 67071 in words is "sixty-seven thousand, seventy-one".