27990254 has 8 divisors (see below), whose sum is σ = 42777720. Its totient is φ = 13731016.

The previous prime is 27990247. The next prime is 27990269. The reversal of 27990254 is 45209972.

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, 131924 + ... + 132135.

It is an arithmetic number, because the mean of its divisors is an integer number (5347215).

Almost surely, 2^27990254 is an apocalyptic number.

27990254 is a deficient number, since it is larger than the sum of its proper divisors (14787466).

27990254 is a wasteful number, since it uses less digits than its factorization.

27990254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264114.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 27990254 is about 5290.5816315411. The cubic root of 27990254 is about 303.6236614370.

The spelling of 27990254 in words is "twenty-seven million, nine hundred ninety thousand, two hundred fifty-four".