272801128 has 16 divisors (see below), whose sum is σ = 512261280. Its totient is φ = 136198128.

The previous prime is 272801083. The next prime is 272801143. The reversal of 272801128 is 821108272.

It is a self number, because there is not a number n which added to its sum of digits gives 272801128.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 19500 + ... + 30427.

It is an arithmetic number, because the mean of its divisors is an integer number (32016330).

Almost surely, 2^272801128 is an apocalyptic number.

It is an amenable number.

272801128 is a deficient number, since it is larger than the sum of its proper divisors (239460152).

272801128 is a wasteful number, since it uses less digits than its factorization.

272801128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50616 (or 50612 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 272801128 is about 16516.6924049581. The cubic root of 272801128 is about 648.5578504128.

The spelling of 272801128 in words is "two hundred seventy-two million, eight hundred one thousand, one hundred twenty-eight".