272728920 has 64 divisors (see below), whose sum is σ = 819894240. Its totient is φ = 72576000.

The previous prime is 272728913. The next prime is 272728931. The reversal of 272728920 is 29827272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62820 + ... + 67020.

Almost surely, 2^272728920 is an apocalyptic number.

272728920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272728920 is an abundant number, since it is smaller than the sum of its proper divisors (547165320).

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

272728920 is a wasteful number, since it uses less digits than its factorization.

272728920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756 (or 4752 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 272728920 is about 16514.5063504787. The cubic root of 272728920 is about 648.5006228907.

The spelling of 272728920 in words is "two hundred seventy-two million, seven hundred twenty-eight thousand, nine hundred twenty".