272533728 has 48 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 90635136.

The previous prime is 272533711. The next prime is 272533757. The reversal of 272533728 is 827335272.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41793 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (14938560).

Almost surely, 2^272533728 is an apocalyptic number.

It is an amenable number.

272533728 is an abundant number, since it is smaller than the sum of its proper divisors (444517152).

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

272533728 is a wasteful number, since it uses less digits than its factorization.

272533728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559 (or 6551 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 272533728 is about 16508.5955792732. The cubic root of 272533728 is about 648.3458754051.

The spelling of 272533728 in words is "two hundred seventy-two million, five hundred thirty-three thousand, seven hundred twenty-eight".