27730338 has 8 divisors (see below), whose sum is σ = 55460688. Its totient is φ = 9243444.

The previous prime is 27730333. The next prime is 27730357. The reversal of 27730338 is 83303772.

It is a happy number.

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

27730338 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27730299 and 27730308.

It is not an unprimeable number, because it can be changed into a prime (27730331) by changing a digit.

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, 2310856 + ... + 2310867.

It is an arithmetic number, because the mean of its divisors is an integer number (6932586).

Almost surely, 2^27730338 is an apocalyptic number.

27730338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27730338 is a wasteful number, since it uses less digits than its factorization.

27730338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621728.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 27730338 is about 5265.9603112823. The cubic root of 27730338 is about 302.6809263035.

The spelling of 27730338 in words is "twenty-seven million, seven hundred thirty thousand, three hundred thirty-eight".