27304320 has 64 divisors (see below), whose sum is σ = 87038640. Its totient is φ = 7280640.

The previous prime is 27304313. The next prime is 27304331. The reversal of 27304320 is 2340372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5191 + ... + 9030.

Almost surely, 2^27304320 is an apocalyptic number.

27304320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27304320 is an abundant number, since it is smaller than the sum of its proper divisors (59734320).

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

27304320 is a wasteful number, since it uses less digits than its factorization.

27304320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243 (or 14231 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 27304320 is about 5225.3535765535. The cubic root of 27304320 is about 301.1229028312.

Adding to 27304320 its reverse (2340372), we get a palindrome (29644692).

The spelling of 27304320 in words is "twenty-seven million, three hundred four thousand, three hundred twenty".