27561334 has 8 divisors (see below), whose sum is σ = 41370480. Its totient is φ = 13771176.

The previous prime is 27561329. The next prime is 27561341. The reversal of 27561334 is 43316572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27561296 and 27561305.

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, 274 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (5171310).

Almost surely, 2^27561334 is an apocalyptic number.

27561334 is a deficient number, since it is larger than the sum of its proper divisors (13809146).

27561334 is a wasteful number, since it uses less digits than its factorization.

27561334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494.

The product of its digits is 15120, while the sum is 31.

The square root of 27561334 is about 5249.8889512065. Note that the first 3 decimals coincide. The cubic root of 27561334 is about 302.0647712775.

The spelling of 27561334 in words is "twenty-seven million, five hundred sixty-one thousand, three hundred thirty-four".