272556216 has 96 divisors (see below), whose sum is σ = 802214400. Its totient is φ = 83280960.

The previous prime is 272556209. The next prime is 272556217. The reversal of 272556216 is 612655272.

272556216 is a `hidden beast` number, since 2 + 7 + 25 + 5 + 621 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272556217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39195 + ... + 45621.

It is an arithmetic number, because the mean of its divisors is an integer number (8356400).

Almost surely, 2^272556216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272556216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401107200).

272556216 is an abundant number, since it is smaller than the sum of its proper divisors (529658184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272556216 is a wasteful number, since it uses less digits than its factorization.

272556216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6482 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 272556216 is about 16509.2766649542. The cubic root of 272556216 is about 648.3637075723.

The spelling of 272556216 in words is "two hundred seventy-two million, five hundred fifty-six thousand, two hundred sixteen".