272565406 has 4 divisors (see below), whose sum is σ = 408848112. Its totient is φ = 136282702.

The previous prime is 272565383. The next prime is 272565407. The reversal of 272565406 is 604565272.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272565407) 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 as a sum of consecutive naturals, namely, 68141350 + ... + 68141353.

It is an arithmetic number, because the mean of its divisors is an integer number (102212028).

Almost surely, 2^272565406 is an apocalyptic number.

272565406 is a deficient number, since it is larger than the sum of its proper divisors (136282706).

272565406 is a wasteful number, since it uses less digits than its factorization.

272565406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136282705.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 272565406 is about 16509.5549909742. The cubic root of 272565406 is about 648.3709946262.

The spelling of 272565406 in words is "two hundred seventy-two million, five hundred sixty-five thousand, four hundred six".