266272730 has 16 divisors (see below), whose sum is σ = 480047904. Its totient is φ = 106340880.

The previous prime is 266272711. The next prime is 266272753. The reversal of 266272730 is 37272662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14276 + ... + 27135.

It is an arithmetic number, because the mean of its divisors is an integer number (30002994).

Almost surely, 2^266272730 is an apocalyptic number.

266272730 is a deficient number, since it is larger than the sum of its proper divisors (213775174).

266272730 is a wasteful number, since it uses less digits than its factorization.

266272730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42061.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 266272730 is about 16317.8653628469. The cubic root of 266272730 is about 643.3424821438.

The spelling of 266272730 in words is "two hundred sixty-six million, two hundred seventy-two thousand, seven hundred thirty".