27634434 has 16 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 9149360.

The previous prime is 27634433. The next prime is 27634471. The reversal of 27634434 is 43443672.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27634395 and 27634404.

It is not an unprimeable number, because it can be changed into a prime (27634433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14562 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^27634434 is an apocalyptic number.

27634434 is an abundant number, since it is smaller than the sum of its proper divisors (28007166).

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

27634434 is a wasteful number, since it uses less digits than its factorization.

27634434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31065.

The product of its digits is 48384, while the sum is 33.

The square root of 27634434 is about 5256.8463930383. The cubic root of 27634434 is about 302.3315876078.

The spelling of 27634434 in words is "twenty-seven million, six hundred thirty-four thousand, four hundred thirty-four".