420068 has 12 divisors (see below), whose sum is σ = 802032. Its totient is φ = 190920.

The previous prime is 420047. The next prime is 420073. The reversal of 420068 is 860024.

It is an unprimeable number.

420068 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, 4730 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (66836).

2⁴²⁰⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

420068 is a deficient number, since it is larger than the sum of its proper divisors (381964).

420068 is a wasteful number, since it uses less digits than its factorization.

420068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9560 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 420068 is about 648.1265308564. The cubic root of 420068 is about 74.8927652678.

The spelling of 420068 in words is "four hundred twenty thousand, sixty-eight".