272073862449 has 27 divisors (see below), whose sum is σ = 414813517209. Its totient is φ = 171817345800.

The previous prime is 272073862427. The next prime is 272073862453. The reversal of 272073862449 is 944268370272.

The square root of 272073862449 is 521607.

It is a perfect power (a square), and thus also a powerful number.

272073862449 is a `hidden beast` number, since 2 + 7 + 2 + 0 + 7 + 3 + 8 + 624 + 4 + 9 = 666.

It is not a de Polignac number, because 272073862449 - 2⁹ = 272073861937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272073862395 and 272073862404.

It is not an unprimeable number, because it can be changed into a prime (272073862409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29727024 + ... + 29736174.

Almost surely, 2^272073862449 is an apocalyptic number.

272073862449 is the 521607-th square number.

272073862449 is the 260804-th centered octagonal number.

It is an amenable number.

272073862449 is a deficient number, since it is larger than the sum of its proper divisors (142739654760).

272073862449 is an frugal number, since it uses more digits than its factorization.

272073862449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18346 (or 9173 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 272073862449 in words is "two hundred seventy-two billion, seventy-three million, eight hundred sixty-two thousand, four hundred forty-nine".