68671 has 4 divisors (see below), whose sum is σ = 70312. Its totient is φ = 67032.

The previous prime is 68669. The next prime is 68683. The reversal of 68671 is 17686.

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 68671 - 2¹ = 68669 is a prime.

It is a Duffinian number.

68671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (17578).

2⁶⁸⁶⁷¹ is an apocalyptic number.

68671 is a deficient number, since it is larger than the sum of its proper divisors (1641).

68671 is a wasteful number, since it uses less digits than its factorization.

68671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its digits is 2016, while the sum is 28.

The square root of 68671 is about 262.0515216518. The cubic root of 68671 is about 40.9503662722.

It can be divided in two parts, 686 and 71, that added together give a palindrome (757).

The spelling of 68671 in words is "sixty-eight thousand, six hundred seventy-one".