66274 has 8 divisors (see below), whose sum is σ = 107100. Its totient is φ = 30576.

The previous prime is 66271. The next prime is 66293. The reversal of 66274 is 47266.

It can be written as a sum of positive squares in 2 ways, for example, as 66049 + 225 = 257^2 + 15^2 .

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

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, 1249 + ... + 1300.

2⁶⁶²⁷⁴ is an apocalyptic number.

66274 is a deficient number, since it is larger than the sum of its proper divisors (40826).

66274 is a wasteful number, since it uses less digits than its factorization.

66274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its digits is 2016, while the sum is 25.

The square root of 66274 is about 257.4373710245. The cubic root of 66274 is about 40.4682472247.

The spelling of 66274 in words is "sixty-six thousand, two hundred seventy-four".