266794742 has 24 divisors (see below), whose sum is σ = 417155328. Its totient is φ = 127960560.

The previous prime is 266794741. The next prime is 266794777. The reversal of 266794742 is 247497662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266794741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243548 + ... + 244640.

It is an arithmetic number, because the mean of its divisors is an integer number (17381472).

Almost surely, 2^266794742 is an apocalyptic number.

266794742 is a deficient number, since it is larger than the sum of its proper divisors (150360586).

266794742 is a wasteful number, since it uses less digits than its factorization.

266794742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1253 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 266794742 is about 16333.8526380031. The cubic root of 266794742 is about 643.7626193900.

The spelling of 266794742 in words is "two hundred sixty-six million, seven hundred ninety-four thousand, seven hundred forty-two".