268680734 has 16 divisors (see below), whose sum is σ = 466906848. Its totient is φ = 113571072.

The previous prime is 268680721. The next prime is 268680739. The reversal of 268680734 is 437086862.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268680739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 130427 + ... + 132470.

It is an arithmetic number, because the mean of its divisors is an integer number (29181678).

Almost surely, 2^268680734 is an apocalyptic number.

268680734 is a deficient number, since it is larger than the sum of its proper divisors (198226114).

268680734 is a wasteful number, since it uses less digits than its factorization.

268680734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262979.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 268680734 is about 16391.4835814212. The cubic root of 268680734 is about 645.2759942988.

The spelling of 268680734 in words is "two hundred sixty-eight million, six hundred eighty thousand, seven hundred thirty-four".