27680438 has 8 divisors (see below), whose sum is σ = 41603760. Its totient is φ = 13812520.

The previous prime is 27680423. The next prime is 27680449. The reversal of 27680438 is 83408672.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (5200470).

Almost surely, 2^27680438 is an apocalyptic number.

27680438 is a deficient number, since it is larger than the sum of its proper divisors (13923322).

27680438 is a wasteful number, since it uses less digits than its factorization.

27680438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27702.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 27680438 is about 5261.2202006759. The cubic root of 27680438 is about 302.4992618883.

The spelling of 27680438 in words is "twenty-seven million, six hundred eighty thousand, four hundred thirty-eight".