27298320 has 80 divisors (see below), whose sum is σ = 96720000. Its totient is φ = 6239232.

The previous prime is 27298303. The next prime is 27298331. The reversal of 27298320 is 2389272.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6445 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (1209000).

Almost surely, 2^27298320 is an apocalyptic number.

27298320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27298320 is an abundant number, since it is smaller than the sum of its proper divisors (69421680).

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

27298320 is a wasteful number, since it uses less digits than its factorization.

27298320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272 (or 16266 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27298320 is about 5224.7794211813. The cubic root of 27298320 is about 301.1008444198.

The spelling of 27298320 in words is "twenty-seven million, two hundred ninety-eight thousand, three hundred twenty".