27305146 has 16 divisors (see below), whose sum is σ = 44782560. Its totient is φ = 12383280.

The previous prime is 27305137. The next prime is 27305171. The reversal of 27305146 is 64150372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10900 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (2798910).

Almost surely, 2^27305146 is an apocalyptic number.

27305146 is a deficient number, since it is larger than the sum of its proper divisors (17477414).

27305146 is a wasteful number, since it uses less digits than its factorization.

27305146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 27305146 is about 5225.4326136694. The cubic root of 27305146 is about 301.1259392861.

The spelling of 27305146 in words is "twenty-seven million, three hundred five thousand, one hundred forty-six".