68478 has 16 divisors (see below), whose sum is σ = 139536. Its totient is φ = 22400.

The previous prime is 68477. The next prime is 68483. The reversal of 68478 is 87486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68473) 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, 550 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (8721).

2⁶⁸⁴⁷⁸ is an apocalyptic number.

68478 is an abundant number, since it is smaller than the sum of its proper divisors (71058).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69768).

68478 is a wasteful number, since it uses less digits than its factorization.

68478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its digits is 10752, while the sum is 33.

The square root of 68478 is about 261.6830143513. The cubic root of 68478 is about 40.9119665768.

The spelling of 68478 in words is "sixty-eight thousand, four hundred seventy-eight".