872773 has 6 divisors (see below), whose sum is σ = 959462. Its totient is φ = 793320.

The previous prime is 872761. The next prime is 872789. The reversal of 872773 is 377278.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 39204 = 913^2 + 198^2 .

It is not a de Polignac number, because 872773 - 2¹³ = 864581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3486 + ... + 3727.

2⁸⁷²⁷⁷³ is an apocalyptic number.

It is an amenable number.

872773 is a deficient number, since it is larger than the sum of its proper divisors (86689).

872773 is a wasteful number, since it uses less digits than its factorization.

872773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235 (or 7224 counting only the distinct ones).

The product of its digits is 16464, while the sum is 34.

The square root of 872773 is about 934.2232067338. The cubic root of 872773 is about 95.5653454805.

The spelling of 872773 in words is "eight hundred seventy-two thousand, seven hundred seventy-three".