272450505 has 16 divisors (see below), whose sum is σ = 450953280. Its totient is φ = 140296128.

The previous prime is 272450491. The next prime is 272450509. The reversal of 272450505 is 505054272.

It is not a de Polignac number, because 272450505 - 2¹⁰ = 272449481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272450509) 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 15 ways as a sum of consecutive naturals, for example, 312727 + ... + 313596.

It is an arithmetic number, because the mean of its divisors is an integer number (28184580).

Almost surely, 2^272450505 is an apocalyptic number.

It is an amenable number.

272450505 is a deficient number, since it is larger than the sum of its proper divisors (178502775).

272450505 is a wasteful number, since it uses less digits than its factorization.

272450505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626360.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 272450505 is about 16506.0747908157. The cubic root of 272450505 is about 648.2798740550.

The spelling of 272450505 in words is "two hundred seventy-two million, four hundred fifty thousand, five hundred five".