272205442 has 4 divisors (see below), whose sum is σ = 408308166. Its totient is φ = 136102720.

The previous prime is 272205431. The next prime is 272205443. The reversal of 272205442 is 244502272.

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

It can be written as a sum of positive squares in only one way, i.e., 270569601 + 1635841 = 16449^2 + 1279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 272205442.

It is not an unprimeable number, because it can be changed into a prime (272205443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68051359 + ... + 68051362.

Almost surely, 2^272205442 is an apocalyptic number.

272205442 is a deficient number, since it is larger than the sum of its proper divisors (136102724).

272205442 is a wasteful number, since it uses less digits than its factorization.

272205442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136102723.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 272205442 is about 16498.6497023241. The cubic root of 272205442 is about 648.0854447736.

The spelling of 272205442 in words is "two hundred seventy-two million, two hundred five thousand, four hundred forty-two".