272534945 has 4 divisors (see below), whose sum is σ = 327041940. Its totient is φ = 218027952.

The previous prime is 272534921. The next prime is 272534959. The reversal of 272534945 is 549435272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53465344 + 219069601 = 7312^2 + 14801^2 .

It is a cyclic number.

It is not a de Polignac number, because 272534945 - 2⁶ = 272534881 is a prime.

It is an unprimeable number.

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, 27253490 + ... + 27253499.

It is an arithmetic number, because the mean of its divisors is an integer number (81760485).

Almost surely, 2^272534945 is an apocalyptic number.

It is an amenable number.

272534945 is a deficient number, since it is larger than the sum of its proper divisors (54506995).

272534945 is an equidigital number, since it uses as much as digits as its factorization.

272534945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54506994.

The product of its digits is 302400, while the sum is 41.

The square root of 272534945 is about 16508.6324388182. The cubic root of 272534945 is about 648.3468404670.

The spelling of 272534945 in words is "two hundred seventy-two million, five hundred thirty-four thousand, nine hundred forty-five".