73065285 has 24 divisors (see below), whose sum is σ = 126845784. Its totient is φ = 38906880.

The previous prime is 73065263. The next prime is 73065301. The reversal of 73065285 is 58256037.

It can be written as a sum of positive squares in 4 ways, for example, as 1595169 + 71470116 = 1263^2 + 8454^2 .

It is not a de Polignac number, because 73065285 - 2⁵ = 73065253 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 53005 + ... + 54365.

It is an arithmetic number, because the mean of its divisors is an integer number (5285241).

Almost surely, 2^73065285 is an apocalyptic number.

It is an amenable number.

73065285 is a deficient number, since it is larger than the sum of its proper divisors (53780499).

73065285 is a wasteful number, since it uses less digits than its factorization.

73065285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 73065285 is about 8547.8234071604. The cubic root of 73065285 is about 418.0584707169.

The spelling of 73065285 in words is "seventy-three million, sixty-five thousand, two hundred eighty-five".