27730748 has 12 divisors (see below), whose sum is σ = 49029792. Its totient is φ = 13722240.

The previous prime is 27730739. The next prime is 27730751. The reversal of 27730748 is 84703772.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 35348 + ... + 36123.

It is an arithmetic number, because the mean of its divisors is an integer number (4085816).

Almost surely, 2^27730748 is an apocalyptic number.

It is an amenable number.

27730748 is a deficient number, since it is larger than the sum of its proper divisors (21299044).

27730748 is a wasteful number, since it uses less digits than its factorization.

27730748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71572 (or 71570 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 27730748 is about 5265.9992404101. Note that the first 3 decimals coincide. The cubic root of 27730748 is about 302.6824180339.

The spelling of 27730748 in words is "twenty-seven million, seven hundred thirty thousand, seven hundred forty-eight".