272027921 has 16 divisors (see below), whose sum is σ = 315268800. Its totient is φ = 232113600.

The previous prime is 272027893. The next prime is 272027941. The reversal of 272027921 is 129720272.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272027921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272027941) 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 in 15 ways as a sum of consecutive naturals, for example, 16811 + ... + 28751.

It is an arithmetic number, because the mean of its divisors is an integer number (19704300).

Almost surely, 2^272027921 is an apocalyptic number.

It is an amenable number.

272027921 is a deficient number, since it is larger than the sum of its proper divisors (43240879).

272027921 is a wasteful number, since it uses less digits than its factorization.

272027921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 272027921 is about 16493.2689603971. The cubic root of 272027921 is about 647.9445293992.

The spelling of 272027921 in words is "two hundred seventy-two million, twenty-seven thousand, nine hundred twenty-one".