82843273 has 4 divisors (see below), whose sum is σ = 82862208. Its totient is φ = 82824340.

The previous prime is 82843219. The next prime is 82843279. The reversal of 82843273 is 37234828.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82843273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82843279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828 + ... + 12898.

It is an arithmetic number, because the mean of its divisors is an integer number (20715552).

Almost surely, 2^82843273 is an apocalyptic number.

It is an amenable number.

82843273 is a deficient number, since it is larger than the sum of its proper divisors (18935).

82843273 is a wasteful number, since it uses less digits than its factorization.

82843273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934.

The product of its digits is 64512, while the sum is 37.

The square root of 82843273 is about 9101.8280032090. The cubic root of 82843273 is about 435.9323342091.

The spelling of 82843273 in words is "eighty-two million, eight hundred forty-three thousand, two hundred seventy-three".