68481 has 12 divisors (see below), whose sum is σ = 113152. Its totient is φ = 39096.

The previous prime is 68477. The next prime is 68483. The reversal of 68481 is 18486.

68481 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 68481 - 2² = 68477 is a prime.

It is a super-2 number, since 2×68481² = 9379294722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68481.

It is not an unprimeable number, because it can be changed into a prime (68483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481 + ... + 606.

2⁶⁸⁴⁸¹ is an apocalyptic number.

It is an amenable number.

68481 is a deficient number, since it is larger than the sum of its proper divisors (44671).

68481 is a wasteful number, since it uses less digits than its factorization.

68481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 68481 is about 261.6887464145. The cubic root of 68481 is about 40.9125640149.

The spelling of 68481 in words is "sixty-eight thousand, four hundred eighty-one".