42273 has 24 divisors (see below), whose sum is σ = 77376. Its totient is φ = 21600.

The previous prime is 42257. The next prime is 42281. The reversal of 42273 is 37224.

It is a happy number.

It is not a de Polignac number, because 42273 - 2⁴ = 42257 is a prime.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42273.

It is not an unprimeable number, because it can be changed into a prime (42223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (3224).

2⁴²²⁷³ is an apocalyptic number.

It is an amenable number.

42273 is a deficient number, since it is larger than the sum of its proper divisors (35103).

42273 is a wasteful number, since it uses less digits than its factorization.

42273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 82 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 42273 is about 205.6039882882. The cubic root of 42273 is about 34.8354177661.

Adding to 42273 its reverse (37224), we get a palindrome (79497).

The spelling of 42273 in words is "forty-two thousand, two hundred seventy-three", and thus it is an iban number.