27905234 has 8 divisors (see below), whose sum is σ = 47837568. Its totient is φ = 11959380.

The previous prime is 27905231. The next prime is 27905261. The reversal of 27905234 is 43250972.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27905234.

It is not an unprimeable number, because it can be changed into a prime (27905231) by changing a digit.

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, 996602 + ... + 996629.

It is an arithmetic number, because the mean of its divisors is an integer number (5979696).

Almost surely, 2^27905234 is an apocalyptic number.

27905234 is a deficient number, since it is larger than the sum of its proper divisors (19932334).

27905234 is a wasteful number, since it uses less digits than its factorization.

27905234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993240.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 27905234 is about 5282.5404873034. The cubic root of 27905234 is about 303.3159321285.

The spelling of 27905234 in words is "twenty-seven million, nine hundred five thousand, two hundred thirty-four".