65073 has 8 divisors (see below), whose sum is σ = 88000. Its totient is φ = 42768.

The previous prime is 65071. The next prime is 65089. The reversal of 65073 is 37056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65073 - 2¹ = 65071 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (65071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (11000).

2⁶⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

65073 is a deficient number, since it is larger than the sum of its proper divisors (22927).

65073 is a wasteful number, since it uses less digits than its factorization.

65073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 65073 is about 255.0941002846. The cubic root of 65073 is about 40.2223039023. Note that the first 3 decimals are identical.

Adding to 65073 its product of nonzero digits (630), we get a triangular number (65703 = T₃₆₂).

The spelling of 65073 in words is "sixty-five thousand, seventy-three".