266730907 has 2 divisors, whose sum is σ = 266730908. Its totient is φ = 266730906.

The previous prime is 266730889. The next prime is 266730929. The reversal of 266730907 is 709037662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266730907 - 2¹⁵ = 266698139 is a prime.

It is a super-2 number, since 2×266730907² = 142290753498085298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266730907.

It is not a weakly prime, because it can be changed into another prime (266730967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133365453 + 133365454.

It is an arithmetic number, because the mean of its divisors is an integer number (133365454).

Almost surely, 2^266730907 is an apocalyptic number.

266730907 is a deficient number, since it is larger than the sum of its proper divisors (1).

266730907 is an equidigital number, since it uses as much as digits as its factorization.

266730907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 266730907 is about 16331.8984505782. The cubic root of 266730907 is about 643.7112717205.

The spelling of 266730907 in words is "two hundred sixty-six million, seven hundred thirty thousand, nine hundred seven".