27930118 has 4 divisors (see below), whose sum is σ = 41895180. Its totient is φ = 13965058.

The previous prime is 27930107. The next prime is 27930127. The reversal of 27930118 is 81103972.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27930118.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6982528 + ... + 6982531.

It is an arithmetic number, because the mean of its divisors is an integer number (10473795).

Almost surely, 2^27930118 is an apocalyptic number.

27930118 is a deficient number, since it is larger than the sum of its proper divisors (13965062).

27930118 is a wasteful number, since it uses less digits than its factorization.

27930118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965061.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 27930118 is about 5284.8952685933. The cubic root of 27930118 is about 303.4060642193.

The spelling of 27930118 in words is "twenty-seven million, nine hundred thirty thousand, one hundred eighteen".