27100424 has 16 divisors (see below), whose sum is σ = 54722220. Its totient is φ = 12507840.

The previous prime is 27100399. The next prime is 27100427. The reversal of 27100424 is 42400172.

It can be written as a sum of positive squares in 2 ways, for example, as 24820324 + 2280100 = 4982^2 + 1510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27100396 and 27100405.

It is not an unprimeable number, because it can be changed into a prime (27100427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130187 + ... + 130394.

Almost surely, 2^27100424 is an apocalyptic number.

It is an amenable number.

27100424 is an abundant number, since it is smaller than the sum of its proper divisors (27621796).

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

27100424 is a wasteful number, since it uses less digits than its factorization.

27100424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260600 (or 260596 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27100424 is about 5205.8067578426. The cubic root of 27100424 is about 300.3714805582.

Adding to 27100424 its reverse (42400172), we get a palindrome (69500596).

The spelling of 27100424 in words is "twenty-seven million, one hundred thousand, four hundred twenty-four".