272775720 has 64 divisors (see below), whose sum is σ = 935233920. Its totient is φ = 62348544.

The previous prime is 272775709. The next prime is 272775721. The reversal of 272775720 is 27577272.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (272775721) 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, 161527 + ... + 163206.

It is an arithmetic number, because the mean of its divisors is an integer number (14613030).

Almost surely, 2^272775720 is an apocalyptic number.

272775720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272775720 is an abundant number, since it is smaller than the sum of its proper divisors (662458200).

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

272775720 is a wasteful number, since it uses less digits than its factorization.

272775720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324754 (or 324750 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 272775720 is about 16515.9232257843. The cubic root of 272775720 is about 648.5377147807.

The spelling of 272775720 in words is "two hundred seventy-two million, seven hundred seventy-five thousand, seven hundred twenty".