27143668 has 6 divisors (see below), whose sum is σ = 47501426. Its totient is φ = 13571832.

The previous prime is 27143651. The next prime is 27143671. The reversal of 27143668 is 86634172.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 5817744 = 4618^2 + 2412^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392955 + ... + 3392962.

Almost surely, 2^27143668 is an apocalyptic number.

It is an amenable number.

27143668 is a deficient number, since it is larger than the sum of its proper divisors (20357758).

27143668 is a wasteful number, since it uses less digits than its factorization.

27143668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785921 (or 6785919 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 27143668 is about 5209.9585411018. The cubic root of 27143668 is about 300.5311627026.

The spelling of 27143668 in words is "twenty-seven million, one hundred forty-three thousand, six hundred sixty-eight".