802173 has 4 divisors (see below), whose sum is σ = 1069568. Its totient is φ = 534780.

The previous prime is 802163. The next prime is 802177. The reversal of 802173 is 371208.

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 802173 - 2⁵ = 802141 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133693 + ... + 133698.

It is an arithmetic number, because the mean of its divisors is an integer number (267392).

2⁸⁰²¹⁷³ is an apocalyptic number.

It is an amenable number.

802173 is a deficient number, since it is larger than the sum of its proper divisors (267395).

802173 is a wasteful number, since it uses less digits than its factorization.

802173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267394.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 802173 is about 895.6411111600. The cubic root of 802173 is about 92.9157521231.

The spelling of 802173 in words is "eight hundred two thousand, one hundred seventy-three".