272543628 has 48 divisors (see below), whose sum is σ = 746434304. Its totient is φ = 75764160.

The previous prime is 272543627. The next prime is 272543641. The reversal of 272543628 is 826345272.

It is a super-4 number, since 4×272543628⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (272543627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40738 + ... + 46953.

Almost surely, 2^272543628 is an apocalyptic number.

272543628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

272543628 is an abundant number, since it is smaller than the sum of its proper divisors (473890676).

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

272543628 is a wasteful number, since it uses less digits than its factorization.

272543628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87742 (or 87740 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 272543628 is about 16508.8954203484. The cubic root of 272543628 is about 648.3537258664.

The spelling of 272543628 in words is "two hundred seventy-two million, five hundred forty-three thousand, six hundred twenty-eight".