27490647 has 8 divisors (see below), whose sum is σ = 36712944. Its totient is φ = 18297728.

The previous prime is 27490633. The next prime is 27490651. The reversal of 27490647 is 74609472.

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

It is a cyclic number.

It is not a de Polignac number, because 27490647 - 2¹⁴ = 27474263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (4589118).

Almost surely, 2^27490647 is an apocalyptic number.

27490647 is a deficient number, since it is larger than the sum of its proper divisors (9222297).

27490647 is a wasteful number, since it uses less digits than its factorization.

27490647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 27490647 is about 5243.1523914531. The cubic root of 27490647 is about 301.8063133895.

The spelling of 27490647 in words is "twenty-seven million, four hundred ninety thousand, six hundred forty-seven".