27630128 has 10 divisors (see below), whose sum is σ = 53533404. Its totient is φ = 13815056.

The previous prime is 27630121. The next prime is 27630149. The reversal of 27630128 is 82103672.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27630128.

It is not an unprimeable number, because it can be changed into a prime (27630121) 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 as a sum of consecutive naturals, namely, 863426 + ... + 863457.

Almost surely, 2^27630128 is an apocalyptic number.

It is an amenable number.

27630128 is a deficient number, since it is larger than the sum of its proper divisors (25903276).

27630128 is a wasteful number, since it uses less digits than its factorization.

27630128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726891 (or 1726885 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 27630128 is about 5256.4368159429. The cubic root of 27630128 is about 302.3158836803.

The spelling of 27630128 in words is "twenty-seven million, six hundred thirty thousand, one hundred twenty-eight".