27680258 has 8 divisors (see below), whose sum is σ = 41908752. Its totient is φ = 13710676.

The previous prime is 27680231. The next prime is 27680269. The reversal of 27680258 is 85208672.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 64460 + ... + 64887.

It is an arithmetic number, because the mean of its divisors is an integer number (5238594).

Almost surely, 2^27680258 is an apocalyptic number.

27680258 is a deficient number, since it is larger than the sum of its proper divisors (14228494).

27680258 is a wasteful number, since it uses less digits than its factorization.

27680258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129456.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 27680258 is about 5261.2030943502. The cubic root of 27680258 is about 302.4986061908.

The spelling of 27680258 in words is "twenty-seven million, six hundred eighty thousand, two hundred fifty-eight".