27072866 has 4 divisors (see below), whose sum is σ = 40609302. Its totient is φ = 13536432.

The previous prime is 27072841. The next prime is 27072883. The reversal of 27072866 is 66827072.

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

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 395641 = 5165^2 + 629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6768215 + ... + 6768218.

Almost surely, 2^27072866 is an apocalyptic number.

27072866 is a deficient number, since it is larger than the sum of its proper divisors (13536436).

27072866 is a wasteful number, since it uses less digits than its factorization.

27072866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536435.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 27072866 is about 5203.1592326201. The cubic root of 27072866 is about 300.2696316640.

The spelling of 27072866 in words is "twenty-seven million, seventy-two thousand, eight hundred sixty-six".