266707472 has 20 divisors (see below), whose sum is σ = 519429180. Its totient is φ = 132661248.

The previous prime is 266707447. The next prime is 266707481. The reversal of 266707472 is 274707662.

It can be written as a sum of positive squares in 2 ways, for example, as 74718736 + 191988736 = 8644^2 + 13856^2 .

It is a super-2 number, since 2×266707472² = 142265751241261568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40097 + ... + 46272.

It is an arithmetic number, because the mean of its divisors is an integer number (25971459).

Almost surely, 2^266707472 is an apocalyptic number.

It is an amenable number.

266707472 is a deficient number, since it is larger than the sum of its proper divisors (252721708).

266707472 is a wasteful number, since it uses less digits than its factorization.

266707472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86570 (or 86564 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 266707472 is about 16331.1809738304. The cubic root of 266707472 is about 643.6924189928.

The spelling of 266707472 in words is "two hundred sixty-six million, seven hundred seven thousand, four hundred seventy-two".