27691748 has 24 divisors (see below), whose sum is σ = 55495104. Its totient is φ = 11844000.

The previous prime is 27691693. The next prime is 27691757. The reversal of 27691748 is 84719672.

It is a junction number, because it is equal to n+sod(n) for n = 27691699 and 27691708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25823 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (2312296).

Almost surely, 2^27691748 is an apocalyptic number.

27691748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27691748 is an abundant number, since it is smaller than the sum of its proper divisors (27803356).

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

27691748 is a wasteful number, since it uses less digits than its factorization.

27691748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 2001 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 27691748 is about 5262.2949366222. The cubic root of 27691748 is about 302.5404558510.

The spelling of 27691748 in words is "twenty-seven million, six hundred ninety-one thousand, seven hundred forty-eight".