27746428 has 6 divisors (see below), whose sum is σ = 48556256. Its totient is φ = 13873212.

The previous prime is 27746423. The next prime is 27746429. The reversal of 27746428 is 82464772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27746423) 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 as a sum of consecutive naturals, namely, 3468300 + ... + 3468307.

Almost surely, 2^27746428 is an apocalyptic number.

It is an amenable number.

27746428 is a deficient number, since it is larger than the sum of its proper divisors (20809828).

27746428 is a wasteful number, since it uses less digits than its factorization.

27746428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936611 (or 6936609 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 27746428 is about 5267.4878262792. The cubic root of 27746428 is about 302.7394565971.

The spelling of 27746428 in words is "twenty-seven million, seven hundred forty-six thousand, four hundred twenty-eight".