42773 has 2 divisors, whose sum is σ = 42774. Its totient is φ = 42772.

The previous prime is 42767. The next prime is 42787. The reversal of 42773 is 37724.

42773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27889 + 14884 = 167^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 42773 - 2⁶ = 42709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21386 + 21387.

It is an arithmetic number, because the mean of its divisors is an integer number (21387).

2⁴²⁷⁷³ is an apocalyptic number.

It is an amenable number.

42773 is a deficient number, since it is larger than the sum of its proper divisors (1).

42773 is an equidigital number, since it uses as much as digits as its factorization.

42773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 23.

The square root of 42773 is about 206.8163436482. The cubic root of 42773 is about 34.9722228589.

The spelling of 42773 in words is "forty-two thousand, seven hundred seventy-three", and thus it is an iban number.