272448621 has 12 divisors (see below), whose sum is σ = 395713500. Its totient is φ = 180627840.

The previous prime is 272448601. The next prime is 272448637. The reversal of 272448621 is 126844272.

272448621 is a `hidden beast` number, since 2 + 7 + 24 + 4 + 8 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123876900 + 148571721 = 11130^2 + 12189^2 .

It is not a de Polignac number, because 272448621 - 2⁹ = 272448109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272448601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81996 + ... + 85253.

It is an arithmetic number, because the mean of its divisors is an integer number (32976125).

Almost surely, 2^272448621 is an apocalyptic number.

It is an amenable number.

272448621 is a deficient number, since it is larger than the sum of its proper divisors (123264879).

272448621 is a wasteful number, since it uses less digits than its factorization.

272448621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167436 (or 167433 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 272448621 is about 16506.0177208193. The cubic root of 272448621 is about 648.2783797627.

The spelling of 272448621 in words is "two hundred seventy-two million, four hundred forty-eight thousand, six hundred twenty-one".