67420 has 12 divisors (see below), whose sum is σ = 141624. Its totient is φ = 26960.

The previous prime is 67411. The next prime is 67421. The reversal of 67420 is 2476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67421) by changing a digit.

67420 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, 1666 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (11802).

2⁶⁷⁴²⁰ is an apocalyptic number.

It is an amenable number.

67420 is an abundant number, since it is smaller than the sum of its proper divisors (74204).

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 (70812).

67420 is a wasteful number, since it uses less digits than its factorization.

67420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 67420 is about 259.6536154187. The cubic root of 67420 is about 40.7001724523.

Adding to 67420 its reverse (2476), we get a palindrome (69896).

The spelling of 67420 in words is "sixty-seven thousand, four hundred twenty".