27661006 has 8 divisors (see below), whose sum is σ = 43932240. Its totient is φ = 13016928.

The previous prime is 27661003. The next prime is 27661013. The reversal of 27661006 is 60016672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27661003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406746 + ... + 406813.

It is an arithmetic number, because the mean of its divisors is an integer number (5491530).

Almost surely, 2^27661006 is an apocalyptic number.

27661006 is a deficient number, since it is larger than the sum of its proper divisors (16271234).

27661006 is a wasteful number, since it uses less digits than its factorization.

27661006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813578.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27661006 is about 5259.3731565653. The cubic root of 27661006 is about 302.4284592791.

Adding to 27661006 its reverse (60016672), we get a palindrome (87677678).

The spelling of 27661006 in words is "twenty-seven million, six hundred sixty-one thousand, six".