27968170 has 8 divisors (see below), whose sum is σ = 50342724. Its totient is φ = 11187264.

The previous prime is 27968159. The next prime is 27968173. The reversal of 27968170 is 7186972.

It can be written as a sum of positive squares in 2 ways, for example, as 27910089 + 58081 = 5283^2 + 241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27968173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398399 + ... + 1398418.

Almost surely, 2^27968170 is an apocalyptic number.

27968170 is a deficient number, since it is larger than the sum of its proper divisors (22374554).

27968170 is a wasteful number, since it uses less digits than its factorization.

27968170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796824.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 27968170 is about 5288.4941145850. The cubic root of 27968170 is about 303.5437885265.

The spelling of 27968170 in words is "twenty-seven million, nine hundred sixty-eight thousand, one hundred seventy".