272564506 has 4 divisors (see below), whose sum is σ = 408846762. Its totient is φ = 136282252.

The previous prime is 272564503. The next prime is 272564543. The reversal of 272564506 is 605465272.

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., 197655481 + 74909025 = 14059^2 + 8655^2 .

It is not an unprimeable number, because it can be changed into a prime (272564503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68141125 + ... + 68141128.

Almost surely, 2^272564506 is an apocalyptic number.

272564506 is a deficient number, since it is larger than the sum of its proper divisors (136282256).

272564506 is a wasteful number, since it uses less digits than its factorization.

272564506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136282255.

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

The square root of 272564506 is about 16509.5277340086. The cubic root of 272564506 is about 648.3702809938.

The spelling of 272564506 in words is "two hundred seventy-two million, five hundred sixty-four thousand, five hundred six".