27680994 has 32 divisors (see below), whose sum is σ = 67106880. Its totient is φ = 8388000.

The previous prime is 27680977. The next prime is 27681001. The reversal of 27680994 is 49908672.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 22707 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (2097090).

Almost surely, 2^27680994 is an apocalyptic number.

27680994 is an abundant number, since it is smaller than the sum of its proper divisors (39425886).

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

27680994 is a wasteful number, since it uses less digits than its factorization.

27680994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46623 (or 46617 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 27680994 is about 5261.2730398640. The cubic root of 27680994 is about 302.5012872472.

The spelling of 27680994 in words is "twenty-seven million, six hundred eighty thousand, nine hundred ninety-four".