266726 has 8 divisors (see below), whose sum is σ = 402744. Its totient is φ = 132480.

The previous prime is 266719. The next prime is 266759. The reversal of 266726 is 627662.

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

It is a super-2 number, since 2×266726² = 142285518152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266726.

It is an unprimeable number.

266726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (50343).

2²⁶⁶⁷²⁶ is an apocalyptic number.

266726 is a deficient number, since it is larger than the sum of its proper divisors (136018).

266726 is a wasteful number, since it uses less digits than its factorization.

266726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 6048, while the sum is 29.

The square root of 266726 is about 516.4552255520. The cubic root of 266726 is about 64.3707324283.

The spelling of 266726 in words is "two hundred sixty-six thousand, seven hundred twenty-six".