66273 has 4 divisors (see below), whose sum is σ = 88368. Its totient is φ = 44180.

The previous prime is 66271. The next prime is 66293. The reversal of 66273 is 37266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66273 - 2¹ = 66271 is a prime.

It is a super-2 number, since 2×66273² = 8784221058, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66271) 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, 11043 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (22092).

2⁶⁶²⁷³ is an apocalyptic number.

It is an amenable number.

66273 is a deficient number, since it is larger than the sum of its proper divisors (22095).

66273 is a wasteful number, since it uses less digits than its factorization.

66273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22094.

The product of its digits is 1512, while the sum is 24.

The square root of 66273 is about 257.4354287972. The cubic root of 66273 is about 40.4680436836.

It can be divided in two parts, 6627 and 3, that multiplied together give a square (19881 = 141²).

The spelling of 66273 in words is "sixty-six thousand, two hundred seventy-three".