268570873 has 4 divisors (see below), whose sum is σ = 268652020. Its totient is φ = 268489728.

The previous prime is 268570859. The next prime is 268570889. The reversal of 268570873 is 378075862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74442384 + 194128489 = 8628^2 + 13933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268570873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268570843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35388 + ... + 42301.

It is an arithmetic number, because the mean of its divisors is an integer number (67163005).

Almost surely, 2^268570873 is an apocalyptic number.

It is an amenable number.

268570873 is a deficient number, since it is larger than the sum of its proper divisors (81147).

268570873 is an equidigital number, since it uses as much as digits as its factorization.

268570873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81146.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 268570873 is about 16388.1320778178. The cubic root of 268570873 is about 645.1880332340.

The spelling of 268570873 in words is "two hundred sixty-eight million, five hundred seventy thousand, eight hundred seventy-three".