67218 has 16 divisors (see below), whose sum is σ = 142560. Its totient is φ = 21056.

The previous prime is 67217. The next prime is 67219. The reversal of 67218 is 81276.

It is an interprime number because it is at equal distance from previous prime (67217) and next prime (67219).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67211) 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, 228 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (8910).

2⁶⁷²¹⁸ is an apocalyptic number.

67218 is an abundant number, since it is smaller than the sum of its proper divisors (75342).

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 (71280).

67218 is a wasteful number, since it uses less digits than its factorization.

67218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 672, while the sum is 24.

The square root of 67218 is about 259.2643438655. The cubic root of 67218 is about 40.6594839355.

The spelling of 67218 in words is "sixty-seven thousand, two hundred eighteen".