27045408 has 72 divisors (see below), whose sum is σ = 76921488. Its totient is φ = 8316672.

The previous prime is 27045377. The next prime is 27045439. The reversal of 27045408 is 80454072.

It is an interprime number because it is at equal distance from previous prime (27045377) and next prime (27045439).

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 11 ways as a sum of consecutive naturals, for example, 15391 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (1068354).

Almost surely, 2^27045408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27045408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38460744).

27045408 is an abundant number, since it is smaller than the sum of its proper divisors (49876080).

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

27045408 is a wasteful number, since it uses less digits than its factorization.

27045408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 27045408 is about 5200.5199740026. The cubic root of 27045408 is about 300.1680835865.

The spelling of 27045408 in words is "twenty-seven million, forty-five thousand, four hundred eight".