27480660 has 48 divisors (see below), whose sum is σ = 78829632. Its totient is φ = 7148800.

The previous prime is 27480647. The next prime is 27480679. The reversal of 27480660 is 6608472.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3126 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (1642284).

Almost surely, 2^27480660 is an apocalyptic number.

27480660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27480660 is an abundant number, since it is smaller than the sum of its proper divisors (51348972).

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

27480660 is a wasteful number, since it uses less digits than its factorization.

27480660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224 (or 11222 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 27480660 is about 5242.1999198810. The cubic root of 27480660 is about 301.7697615067.

The spelling of 27480660 in words is "twenty-seven million, four hundred eighty thousand, six hundred sixty".