273265668 has 144 divisors (see below), whose sum is σ = 792529920. Its totient is φ = 78743808.

The previous prime is 273265621. The next prime is 273265693. The reversal of 273265668 is 866562372.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 570253 + ... + 570731.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^273265668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273265668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396264960).

273265668 is an abundant number, since it is smaller than the sum of its proper divisors (519264252).

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

273265668 is a wasteful number, since it uses less digits than its factorization.

273265668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 573 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 273265668 is about 16530.7491663264. The cubic root of 273265668 is about 648.9257743718.

The spelling of 273265668 in words is "two hundred seventy-three million, two hundred sixty-five thousand, six hundred sixty-eight".