81067 has 8 divisors (see below), whose sum is σ = 95456. Its totient is φ = 67392.

The previous prime is 81049. The next prime is 81071. The reversal of 81067 is 76018.

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 81067 - 2¹⁵ = 48299 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81017) 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, 103 + ... + 415.

It is an arithmetic number, because the mean of its divisors is an integer number (11932).

2⁸¹⁰⁶⁷ is an apocalyptic number.

81067 is a deficient number, since it is larger than the sum of its proper divisors (14389).

81067 is a wasteful number, since it uses less digits than its factorization.

81067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 81067 is about 284.7226720864. The cubic root of 81067 is about 43.2794135401.

The spelling of 81067 in words is "eighty-one thousand, sixty-seven".