27213994 has 4 divisors (see below), whose sum is σ = 40820994. Its totient is φ = 13606996.

The previous prime is 27213983. The next prime is 27213997. The reversal of 27213994 is 49931272.

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., 26142769 + 1071225 = 5113^2 + 1035^2 .

It is a super-3 number, since 3×27213994³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27213997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6803497 + ... + 6803500.

Almost surely, 2^27213994 is an apocalyptic number.

27213994 is a deficient number, since it is larger than the sum of its proper divisors (13607000).

27213994 is a wasteful number, since it uses less digits than its factorization.

27213994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606999.

The product of its digits is 27216, while the sum is 37.

The square root of 27213994 is about 5216.7033651531. The cubic root of 27213994 is about 300.7904856491.

The spelling of 27213994 in words is "twenty-seven million, two hundred thirteen thousand, nine hundred ninety-four".