272011866 has 64 divisors (see below), whose sum is σ = 692997120. Its totient is φ = 69292800.

The previous prime is 272011843. The next prime is 272011891. The reversal of 272011866 is 668110272.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3541 + ... + 23591.

It is an arithmetic number, because the mean of its divisors is an integer number (10828080).

Almost surely, 2^272011866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272011866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346498560).

272011866 is an abundant number, since it is smaller than the sum of its proper divisors (420985254).

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

272011866 is a wasteful number, since it uses less digits than its factorization.

272011866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 272011866 is about 16492.7822395131. The cubic root of 272011866 is about 647.9317819895.

The spelling of 272011866 in words is "two hundred seventy-two million, eleven thousand, eight hundred sixty-six".