272620520 has 16 divisors (see below), whose sum is σ = 613396260. Its totient is φ = 109048192.

The previous prime is 272620519. The next prime is 272620573. The reversal of 272620520 is 25026272.

It can be written as a sum of positive squares in 2 ways, for example, as 270997444 + 1623076 = 16462^2 + 1274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 272620520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407717 + ... + 3407796.

Almost surely, 2^272620520 is an apocalyptic number.

272620520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272620520 is an abundant number, since it is smaller than the sum of its proper divisors (340775740).

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

272620520 is a wasteful number, since it uses less digits than its factorization.

272620520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815524 (or 6815520 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 272620520 is about 16511.2240612257. The cubic root of 272620520 is about 648.4146928970.

Adding to 272620520 its reverse (25026272), we get a palindrome (297646792).

The spelling of 272620520 in words is "two hundred seventy-two million, six hundred twenty thousand, five hundred twenty".