272728284 has 12 divisors (see below), whose sum is σ = 636366024. Its totient is φ = 90909424.

The previous prime is 272728283. The next prime is 272728321. The reversal of 272728284 is 482827272.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272728283) 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, 11363667 + ... + 11363690.

It is an arithmetic number, because the mean of its divisors is an integer number (53030502).

Almost surely, 2^272728284 is an apocalyptic number.

It is an amenable number.

272728284 is an abundant number, since it is smaller than the sum of its proper divisors (363637740).

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

272728284 is a wasteful number, since it uses less digits than its factorization.

272728284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727364 (or 22727362 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 272728284 is about 16514.4870946693. The cubic root of 272728284 is about 648.5001187922.

The spelling of 272728284 in words is "two hundred seventy-two million, seven hundred twenty-eight thousand, two hundred eighty-four".