27468638 has 4 divisors (see below), whose sum is σ = 41202960. Its totient is φ = 13734318.

The previous prime is 27468631. The next prime is 27468643. The reversal of 27468638 is 83686472.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27468631) 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 as a sum of consecutive naturals, namely, 6867158 + ... + 6867161.

It is an arithmetic number, because the mean of its divisors is an integer number (10300740).

Almost surely, 2^27468638 is an apocalyptic number.

27468638 is a deficient number, since it is larger than the sum of its proper divisors (13734322).

27468638 is a wasteful number, since it uses less digits than its factorization.

27468638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734321.

The product of its digits is 387072, while the sum is 44.

The square root of 27468638 is about 5241.0531384446. The cubic root of 27468638 is about 301.7257498850.

The spelling of 27468638 in words is "twenty-seven million, four hundred sixty-eight thousand, six hundred thirty-eight".