68454 has 12 divisors (see below), whose sum is σ = 148356. Its totient is φ = 22812.

The previous prime is 68449. The next prime is 68473. The reversal of 68454 is 45486.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

68454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1884 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (12363).

2⁶⁸⁴⁵⁴ is an apocalyptic number.

68454 is an abundant number, since it is smaller than the sum of its proper divisors (79902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68454 is a wasteful number, since it uses less digits than its factorization.

68454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811 (or 3808 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 68454 is about 261.6371533250. The cubic root of 68454 is about 40.9071864433.

The spelling of 68454 in words is "sixty-eight thousand, four hundred fifty-four".