266742712 has 16 divisors (see below), whose sum is σ = 501408360. Its totient is φ = 133033824.

The previous prime is 266742709. The next prime is 266742727. The reversal of 266742712 is 217247662.

It is a super-2 number, since 2×266742712² = 142303348810229888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38818 + ... + 45169.

Almost surely, 2^266742712 is an apocalyptic number.

It is an amenable number.

266742712 is a deficient number, since it is larger than the sum of its proper divisors (234665648).

266742712 is a wasteful number, since it uses less digits than its factorization.

266742712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84390 (or 84386 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 266742712 is about 16332.2598558803. The cubic root of 266742712 is about 643.7207680571.

The spelling of 266742712 in words is "two hundred sixty-six million, seven hundred forty-two thousand, seven hundred twelve".