273868266 has 64 divisors (see below), whose sum is σ = 664968960. Its totient is φ = 73405440.

The previous prime is 273868241. The next prime is 273868279. The reversal of 273868266 is 662868372.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385920 + ... + 386628.

It is an arithmetic number, because the mean of its divisors is an integer number (10390140).

Almost surely, 2^273868266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273868266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332484480).

273868266 is an abundant number, since it is smaller than the sum of its proper divisors (391100694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273868266 is a wasteful number, since it uses less digits than its factorization.

273868266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its digits is 1161216, while the sum is 48.

The square root of 273868266 is about 16548.9657078622. The cubic root of 273868266 is about 649.4024219877.

The spelling of 273868266 in words is "two hundred seventy-three million, eight hundred sixty-eight thousand, two hundred sixty-six".