66275 has 12 divisors (see below), whose sum is σ = 90024. Its totient is φ = 48000.

The previous prime is 66271. The next prime is 66293. The reversal of 66275 is 57266.

It is not a de Polignac number, because 66275 - 2² = 66271 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 66275.

It is not an unprimeable number, because it can be changed into a prime (66271) 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 11 ways as a sum of consecutive naturals, for example, 155 + ... + 395.

It is an arithmetic number, because the mean of its divisors is an integer number (7502).

2⁶⁶²⁷⁵ is an apocalyptic number.

66275 is a deficient number, since it is larger than the sum of its proper divisors (23749).

66275 is a wasteful number, since it uses less digits than its factorization.

66275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 66275 is about 257.4393132371. The cubic root of 66275 is about 40.4684507638.

Subtracting from 66275 its reverse (57266), we obtain a palindrome (9009).

It can be divided in two parts, 662 and 75, that added together give a palindrome (737).

The spelling of 66275 in words is "sixty-six thousand, two hundred seventy-five".