27726147 has 12 divisors (see below), whose sum is σ = 40706224. Its totient is φ = 18180720.

The previous prime is 27726143. The next prime is 27726157. The reversal of 27726147 is 74162772.

It is a happy number.

It is not a de Polignac number, because 27726147 - 2² = 27726143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27726143) 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 11 ways as a sum of consecutive naturals, for example, 24703 + ... + 25800.

Almost surely, 2^27726147 is an apocalyptic number.

27726147 is a deficient number, since it is larger than the sum of its proper divisors (12980077).

27726147 is a wasteful number, since it uses less digits than its factorization.

27726147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50570 (or 50567 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 27726147 is about 5265.5623631289. The cubic root of 27726147 is about 302.6656770643.

The spelling of 27726147 in words is "twenty-seven million, seven hundred twenty-six thousand, one hundred forty-seven".