27746146 has 4 divisors (see below), whose sum is σ = 41619222. Its totient is φ = 13873072.

The previous prime is 27746141. The next prime is 27746149. The reversal of 27746146 is 64164772.

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., 27720225 + 25921 = 5265^2 + 161^2 .

It is not an unprimeable number, because it can be changed into a prime (27746141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936535 + ... + 6936538.

Almost surely, 2^27746146 is an apocalyptic number.

27746146 is a deficient number, since it is larger than the sum of its proper divisors (13873076).

27746146 is a wasteful number, since it uses less digits than its factorization.

27746146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873075.

The product of its digits is 56448, while the sum is 37.

The square root of 27746146 is about 5267.4610582329. The cubic root of 27746146 is about 302.7384309658.

The spelling of 27746146 in words is "twenty-seven million, seven hundred forty-six thousand, one hundred forty-six".