27328780 has 24 divisors (see below), whose sum is σ = 57986208. Its totient is φ = 10818048.

The previous prime is 27328771. The next prime is 27328787. The reversal of 27328780 is 8782372.

It is not an unprimeable number, because it can be changed into a prime (27328787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5104 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (2416092).

Almost surely, 2^27328780 is an apocalyptic number.

27328780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27328780 is an abundant number, since it is smaller than the sum of its proper divisors (30657428).

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

27328780 is a wasteful number, since it uses less digits than its factorization.

27328780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14193 (or 14191 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 27328780 is about 5227.6935640873. The cubic root of 27328780 is about 301.2127941976.

The spelling of 27328780 in words is "twenty-seven million, three hundred twenty-eight thousand, seven hundred eighty".