67278 has 8 divisors (see below), whose sum is σ = 134568. Its totient is φ = 22424.

The previous prime is 67273. The next prime is 67289. The reversal of 67278 is 87276.

It is a sphenic number, since it is the product of 3 distinct primes.

67278 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67271) by changing a digit.

67278 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 3 ways as a sum of consecutive naturals, for example, 5601 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (16821).

2⁶⁷²⁷⁸ is an apocalyptic number.

67278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (67284).

67278 is a wasteful number, since it uses less digits than its factorization.

67278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218.

The product of its digits is 4704, while the sum is 30.

The square root of 67278 is about 259.3800300717. The cubic root of 67278 is about 40.6715781341.

The spelling of 67278 in words is "sixty-seven thousand, two hundred seventy-eight".