272352820 has 12 divisors (see below), whose sum is σ = 571940964. Its totient is φ = 108941120.

The previous prime is 272352809. The next prime is 272352823. The reversal of 272352820 is 28253272.

It can be written as a sum of positive squares in 2 ways, for example, as 205865104 + 66487716 = 14348^2 + 8154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272352823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6808801 + ... + 6808840.

It is an arithmetic number, because the mean of its divisors is an integer number (47661747).

Almost surely, 2^272352820 is an apocalyptic number.

272352820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272352820 is an abundant number, since it is smaller than the sum of its proper divisors (299588144).

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

272352820 is a wasteful number, since it uses less digits than its factorization.

272352820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13617650 (or 13617648 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 272352820 is about 16503.1154634511. The cubic root of 272352820 is about 648.2023862320.

The spelling of 272352820 in words is "two hundred seventy-two million, three hundred fifty-two thousand, eight hundred twenty".