272431005 has 32 divisors (see below), whose sum is σ = 543449088. Its totient is φ = 113217600.

The previous prime is 272430989. The next prime is 272431013. The reversal of 272431005 is 500134272.

It is not a de Polignac number, because 272431005 - 2⁴ = 272430989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116781 + ... + 119090.

It is an arithmetic number, because the mean of its divisors is an integer number (16982784).

Almost surely, 2^272431005 is an apocalyptic number.

It is an amenable number.

272431005 is a deficient number, since it is larger than the sum of its proper divisors (271018083).

272431005 is a wasteful number, since it uses less digits than its factorization.

272431005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235897.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 272431005 is about 16505.4840886295. The cubic root of 272431005 is about 648.2644073202.

Adding to 272431005 its reverse (500134272), we get a palindrome (772565277).

The spelling of 272431005 in words is "two hundred seventy-two million, four hundred thirty-one thousand, five".