27427100 has 18 divisors (see below), whose sum is σ = 59517024. Its totient is φ = 10970800.

The previous prime is 27427091. The next prime is 27427117. The reversal of 27427100 is 172472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137036 + ... + 137235.

Almost surely, 2^27427100 is an apocalyptic number.

27427100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27427100 is an abundant number, since it is smaller than the sum of its proper divisors (32089924).

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

27427100 is a wasteful number, since it uses less digits than its factorization.

27427100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274285 (or 274278 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 27427100 is about 5237.0888860129. The cubic root of 27427100 is about 301.5735835367.

Adding to 27427100 its reverse (172472), we get a palindrome (27599572).

The spelling of 27427100 in words is "twenty-seven million, four hundred twenty-seven thousand, one hundred".