27021298 has 4 divisors (see below), whose sum is σ = 40531950. Its totient is φ = 13510648.

The previous prime is 27021289. The next prime is 27021311. The reversal of 27021298 is 89212072.

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., 17614809 + 9406489 = 4197^2 + 3067^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755323 + ... + 6755326.

Almost surely, 2^27021298 is an apocalyptic number.

27021298 is a deficient number, since it is larger than the sum of its proper divisors (13510652).

27021298 is a wasteful number, since it uses less digits than its factorization.

27021298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510651.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 27021298 is about 5198.2014197220. The cubic root of 27021298 is about 300.0788607496.

The spelling of 27021298 in words is "twenty-seven million, twenty-one thousand, two hundred ninety-eight".