268071305 has 8 divisors (see below), whose sum is σ = 321774144. Its totient is φ = 214398000.

The previous prime is 268071301. The next prime is 268071343. The reversal of 268071305 is 503170862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268071305 - 2² = 268071301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268071301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28100 + ... + 36410.

It is an arithmetic number, because the mean of its divisors is an integer number (40221768).

Almost surely, 2^268071305 is an apocalyptic number.

It is an amenable number.

268071305 is a deficient number, since it is larger than the sum of its proper divisors (53702839).

268071305 is an equidigital number, since it uses as much as digits as its factorization.

268071305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 268071305 is about 16372.8832219619. The cubic root of 268071305 is about 644.7877473994.

The spelling of 268071305 in words is "two hundred sixty-eight million, seventy-one thousand, three hundred five".