27790006 has 8 divisors (see below), whose sum is σ = 41756400. Its totient is φ = 13871208.

The previous prime is 27790001. The next prime is 27790093. The reversal of 27790006 is 60009772.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27790006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27790001) 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, 10401 + ... + 12796.

It is an arithmetic number, because the mean of its divisors is an integer number (5219550).

Almost surely, 2^27790006 is an apocalyptic number.

27790006 is a deficient number, since it is larger than the sum of its proper divisors (13966394).

27790006 is a wasteful number, since it uses less digits than its factorization.

27790006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27790006 is about 5271.6227103236. The cubic root of 27790006 is about 302.8978659280.

Adding to 27790006 its reverse (60009772), we get a palindrome (87799778).

The spelling of 27790006 in words is "twenty-seven million, seven hundred ninety thousand, six".