8442273 has 16 divisors (see below), whose sum is σ = 13011840. Its totient is φ = 4768896.

The previous prime is 8442271. The next prime is 8442299. The reversal of 8442273 is 3722448.

It is not a de Polignac number, because 8442273 - 2¹ = 8442271 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8442273.

It is not an unprimeable number, because it can be changed into a prime (8442271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (813240).

Almost surely, 2^8442273 is an apocalyptic number.

It is an amenable number.

8442273 is a deficient number, since it is larger than the sum of its proper divisors (4569567).

8442273 is a wasteful number, since it uses less digits than its factorization.

8442273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its digits is 10752, while the sum is 30.

The square root of 8442273 is about 2905.5589823647. The cubic root of 8442273 is about 203.6197019055.

The spelling of 8442273 in words is "eight million, four hundred forty-two thousand, two hundred seventy-three".