27630146 has 16 divisors (see below), whose sum is σ = 42674688. Its totient is φ = 13408800.

The previous prime is 27630121. The next prime is 27630149. The reversal of 27630146 is 64103672.

It is not an unprimeable number, because it can be changed into a prime (27630149) by changing a digit.

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, 17531 + ... + 19041.

It is an arithmetic number, because the mean of its divisors is an integer number (2667168).

Almost surely, 2^27630146 is an apocalyptic number.

27630146 is a deficient number, since it is larger than the sum of its proper divisors (15044542).

27630146 is a wasteful number, since it uses less digits than its factorization.

27630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27630146 is about 5256.4385281291. The cubic root of 27630146 is about 302.3159493295.

The spelling of 27630146 in words is "twenty-seven million, six hundred thirty thousand, one hundred forty-six".