266733 has 20 divisors (see below), whose sum is σ = 413820. Its totient is φ = 171072.

The previous prime is 266719. The next prime is 266759. The reversal of 266733 is 337662.

266733 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 116964 = 387^2 + 342^2 .

It is not a de Polignac number, because 266733 - 2⁵ = 266701 is a prime.

It is a super-2 number, since 2×266733² = 142292986578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

266733 is strictly pandigital in base 7.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 266697 and 266706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2953 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (20691).

2²⁶⁶⁷³³ is an apocalyptic number.

It is an amenable number.

266733 is a deficient number, since it is larger than the sum of its proper divisors (147087).

266733 is an equidigital number, since it uses as much as digits as its factorization.

266733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 266733 is about 516.4620024745. The cubic root of 266733 is about 64.3712955420.

It can be divided in two parts, 266 and 733, that added together give a palindrome (999).

The spelling of 266733 in words is "two hundred sixty-six thousand, seven hundred thirty-three".