42858273 has 4 divisors (see below), whose sum is σ = 57144368. Its totient is φ = 28572180.

The previous prime is 42858203. The next prime is 42858289. The reversal of 42858273 is 37285824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42858273 - 2²⁰ = 41809697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42858203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143043 + ... + 7143048.

It is an arithmetic number, because the mean of its divisors is an integer number (14286092).

Almost surely, 2^42858273 is an apocalyptic number.

It is an amenable number.

42858273 is a deficient number, since it is larger than the sum of its proper divisors (14286095).

42858273 is a wasteful number, since it uses less digits than its factorization.

42858273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286094.

The product of its digits is 107520, while the sum is 39.

The square root of 42858273 is about 6546.6230225972. The cubic root of 42858273 is about 349.9544784334.

The spelling of 42858273 in words is "forty-two million, eight hundred fifty-eight thousand, two hundred seventy-three".