27792005 has 8 divisors (see below), whose sum is σ = 34500600. Its totient is φ = 21466816.

The previous prime is 27792001. The next prime is 27792013. The reversal of 27792005 is 50029772.

It can be written as a sum of positive squares in 4 ways, for example, as 187489 + 27604516 = 433^2 + 5254^2 .

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 27792005 - 2² = 27792001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27792001) 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, 95690 + ... + 95979.

It is an arithmetic number, because the mean of its divisors is an integer number (4312575).

Almost surely, 2^27792005 is an apocalyptic number.

It is an amenable number.

27792005 is a deficient number, since it is larger than the sum of its proper divisors (6708595).

27792005 is a wasteful number, since it uses less digits than its factorization.

27792005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191703.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 27792005 is about 5271.8123069776. The cubic root of 27792005 is about 302.9051284707.

The spelling of 27792005 in words is "twenty-seven million, seven hundred ninety-two thousand, five".