67220 has 12 divisors (see below), whose sum is σ = 141204. Its totient is φ = 26880.

The previous prime is 67219. The next prime is 67231. The reversal of 67220 is 2276.

It can be written as a sum of positive squares in 2 ways, for example, as 37636 + 29584 = 194^2 + 172^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (11767).

2⁶⁷²²⁰ is an apocalyptic number.

It is an amenable number.

67220 is an abundant number, since it is smaller than the sum of its proper divisors (73984).

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 (70602).

67220 is a wasteful number, since it uses less digits than its factorization.

67220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 67220 is about 259.2682009040. The cubic root of 67220 is about 40.6598871914.

Adding to 67220 its reverse (2276), we get a palindrome (69496).

The spelling of 67220 in words is "sixty-seven thousand, two hundred twenty".