272728031 has 4 divisors (see below), whose sum is σ = 277350600. Its totient is φ = 268105464.

The previous prime is 272728007. The next prime is 272728037. The reversal of 272728031 is 130827272.

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

It is a cyclic number.

It is not a de Polignac number, because 272728031 - 2⁶ = 272727967 is a prime.

It is a super-2 number, since 2×272728031² = 148761157786273922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272728037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2311196 + ... + 2311313.

It is an arithmetic number, because the mean of its divisors is an integer number (69337650).

Almost surely, 2^272728031 is an apocalyptic number.

272728031 is a deficient number, since it is larger than the sum of its proper divisors (4622569).

272728031 is an equidigital number, since it uses as much as digits as its factorization.

272728031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622568.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 272728031 is about 16514.4794347264. The cubic root of 272728031 is about 648.4999182622.

The spelling of 272728031 in words is "two hundred seventy-two million, seven hundred twenty-eight thousand, thirty-one".