85073 has 4 divisors (see below), whose sum is σ = 85668. Its totient is φ = 84480.

The previous prime is 85061. The next prime is 85081. The reversal of 85073 is 37058.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 49729 + 35344 = 223^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 85073 - 2⁶ = 85009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (21417).

2⁸⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

85073 is a deficient number, since it is larger than the sum of its proper divisors (595).

85073 is a wasteful number, since it uses less digits than its factorization.

85073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 85073 is about 291.6727618411. The cubic root of 85073 is about 43.9808801226.

The spelling of 85073 in words is "eighty-five thousand, seventy-three".