273947328 has 84 divisors (see below), whose sum is σ = 789904440. Its totient is φ = 90771456.

The previous prime is 273947327. The next prime is 273947347. The reversal of 273947328 is 823749372.

It is not an unprimeable number, because it can be changed into a prime (273947321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101776 + ... + 104432.

Almost surely, 2^273947328 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 273947328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394952220).

273947328 is an abundant number, since it is smaller than the sum of its proper divisors (515957112).

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

273947328 is a wasteful number, since it uses less digits than its factorization.

273947328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2841 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 273947328 is about 16551.3542648328. The cubic root of 273947328 is about 649.4649071564.

Subtracting from 273947328 its product of digits (508032), we obtain a square (273439296 = 16536²).

The spelling of 273947328 in words is "two hundred seventy-three million, nine hundred forty-seven thousand, three hundred twenty-eight".