27213628 has 24 divisors (see below), whose sum is σ = 51432752. Its totient is φ = 12524544.

The previous prime is 27213607. The next prime is 27213647. The reversal of 27213628 is 82631272.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 27213628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29551 + ... + 30457.

Almost surely, 2^27213628 is an apocalyptic number.

It is an amenable number.

27213628 is a deficient number, since it is larger than the sum of its proper divisors (24219124).

27213628 is a wasteful number, since it uses less digits than its factorization.

27213628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1499 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 27213628 is about 5216.6682854098. The cubic root of 27213628 is about 300.7891372030.

The spelling of 27213628 in words is "twenty-seven million, two hundred thirteen thousand, six hundred twenty-eight".