266745 has 8 divisors (see below), whose sum is σ = 426816. Its totient is φ = 142256.

The previous prime is 266719. The next prime is 266759. The reversal of 266745 is 547662.

266745 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 266745 - 2⁶ = 266681 is a prime.

266745 is strictly pandigital in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8877 + ... + 8906.

It is an arithmetic number, because the mean of its divisors is an integer number (53352).

2²⁶⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

266745 is a deficient number, since it is larger than the sum of its proper divisors (160071).

266745 is a wasteful number, since it uses less digits than its factorization.

266745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791.

The product of its digits is 10080, while the sum is 30.

The square root of 266745 is about 516.4736198491. The cubic root of 266745 is about 64.3722608568.

The spelling of 266745 in words is "two hundred sixty-six thousand, seven hundred forty-five".