842773 has 4 divisors (see below), whose sum is σ = 845100. Its totient is φ = 840448.

The previous prime is 842771. The next prime is 842791. The reversal of 842773 is 377248.

842773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 321489 = 722^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 842773 - 2¹ = 842771 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 (842771) 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, 490 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (211275).

2⁸⁴²⁷⁷³ is an apocalyptic number.

It is an amenable number.

842773 is a deficient number, since it is larger than the sum of its proper divisors (2327).

842773 is a wasteful number, since it uses less digits than its factorization.

842773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326.

The product of its digits is 9408, while the sum is 31.

The square root of 842773 is about 918.0266880652. The cubic root of 842773 is about 94.4575922744.

The spelling of 842773 in words is "eight hundred forty-two thousand, seven hundred seventy-three".