27645360 has 80 divisors (see below), whose sum is σ = 86470656. Its totient is φ = 7305984.

The previous prime is 27645329. The next prime is 27645377. The reversal of 27645360 is 6354672.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30027 + ... + 30933.

Almost surely, 2^27645360 is an apocalyptic number.

27645360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27645360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43235328).

27645360 is an abundant number, since it is smaller than the sum of its proper divisors (58825296).

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

27645360 is a wasteful number, since it uses less digits than its factorization.

27645360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 27645360 is about 5257.8855065511. The cubic root of 27645360 is about 302.3714272715.

The spelling of 27645360 in words is "twenty-seven million, six hundred forty-five thousand, three hundred sixty".