27630764 has 12 divisors (see below), whose sum is σ = 55261584. Its totient is φ = 11841744.

The previous prime is 27630739. The next prime is 27630767. The reversal of 27630764 is 46703672.

27630764 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27630767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493379 + ... + 493434.

It is an arithmetic number, because the mean of its divisors is an integer number (4605132).

Almost surely, 2^27630764 is an apocalyptic number.

It is an amenable number.

27630764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27630764 is a wasteful number, since it uses less digits than its factorization.

27630764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986824 (or 986822 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 27630764 is about 5256.4973128501. The cubic root of 27630764 is about 302.3182032669.

The spelling of 27630764 in words is "twenty-seven million, six hundred thirty thousand, seven hundred sixty-four".