266913730 has 8 divisors (see below), whose sum is σ = 480444732. Its totient is φ = 106765488.

The previous prime is 266913727. The next prime is 266913733. The reversal of 266913730 is 37319662.

266913730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266913727) and next prime (266913733).

It can be written as a sum of positive squares in 2 ways, for example, as 259822161 + 7091569 = 16119^2 + 2663^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 266913730.

It is not an unprimeable number, because it can be changed into a prime (266913733) 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, 13345677 + ... + 13345696.

Almost surely, 2^266913730 is an apocalyptic number.

266913730 is a deficient number, since it is larger than the sum of its proper divisors (213531002).

266913730 is a wasteful number, since it uses less digits than its factorization.

266913730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26691380.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 266913730 is about 16337.4946059670. The cubic root of 266913730 is about 643.8583092341.

The spelling of 266913730 in words is "two hundred sixty-six million, nine hundred thirteen thousand, seven hundred thirty".