27144472 has 16 divisors (see below), whose sum is σ = 51298560. Its totient is φ = 13464864.

The previous prime is 27144463. The next prime is 27144473. The reversal of 27144472 is 27444172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144473) 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 3 ways as a sum of consecutive naturals, for example, 12343 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (3206160).

Almost surely, 2^27144472 is an apocalyptic number.

It is an amenable number.

27144472 is a deficient number, since it is larger than the sum of its proper divisors (24154088).

27144472 is a wasteful number, since it uses less digits than its factorization.

27144472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26850 (or 26846 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 27144472 is about 5210.0357004535. The cubic root of 27144472 is about 300.5341299345.

The spelling of 27144472 in words is "twenty-seven million, one hundred forty-four thousand, four hundred seventy-two".