27022272 has 28 divisors (see below), whose sum is σ = 71496936. Its totient is φ = 9007360.

The previous prime is 27022271. The next prime is 27022277. The reversal of 27022272 is 27222072.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27022271) 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 3 ways as a sum of consecutive naturals, for example, 70179 + ... + 70562.

It is an arithmetic number, because the mean of its divisors is an integer number (2553462).

Almost surely, 2^27022272 is an apocalyptic number.

It is an amenable number.

27022272 is an abundant number, since it is smaller than the sum of its proper divisors (44474664).

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

27022272 is a wasteful number, since it uses less digits than its factorization.

27022272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140756 (or 140746 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 27022272 is about 5198.2951051282. The cubic root of 27022272 is about 300.0824662179.

The spelling of 27022272 in words is "twenty-seven million, twenty-two thousand, two hundred seventy-two".