272643065 has 16 divisors (see below), whose sum is σ = 356270400. Its totient is φ = 199507392.

The previous prime is 272643061. The next prime is 272643089. The reversal of 272643065 is 560346272.

It is a cyclic number.

It is not a de Polignac number, because 272643065 - 2² = 272643061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272643061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46727 + ... + 52236.

It is an arithmetic number, because the mean of its divisors is an integer number (22266900).

Almost surely, 2^272643065 is an apocalyptic number.

It is an amenable number.

272643065 is a deficient number, since it is larger than the sum of its proper divisors (83627335).

272643065 is a wasteful number, since it uses less digits than its factorization.

272643065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99016.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 272643065 is about 16511.9067645139. The cubic root of 272643065 is about 648.4325664675.

The spelling of 272643065 in words is "two hundred seventy-two million, six hundred forty-three thousand, sixty-five".