27272172 has 24 divisors (see below), whose sum is σ = 63942592. Its totient is φ = 9046800.

The previous prime is 27272171. The next prime is 27272177. The reversal of 27272172 is 27127272.

It is not an unprimeable number, because it can be changed into a prime (27272171) 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 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 7917.

Almost surely, 2^27272172 is an apocalyptic number.

It is an amenable number.

27272172 is an abundant number, since it is smaller than the sum of its proper divisors (36670420).

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

27272172 is a wasteful number, since it uses less digits than its factorization.

27272172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10989 (or 10987 counting only the distinct ones).

The product of its digits is 5488, while the sum is 30.

The square root of 27272172 is about 5222.2765150842. The cubic root of 27272172 is about 301.0046761083.

The spelling of 27272172 in words is "twenty-seven million, two hundred seventy-two thousand, one hundred seventy-two".