27973001 has 8 divisors (see below), whose sum is σ = 32161920. Its totient is φ = 23832288.

The previous prime is 27972979. The next prime is 27973013. The reversal of 27973001 is 10037972.

It is a happy number.

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 27973001 - 2¹⁸ = 27710857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27973051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (4020240).

Almost surely, 2^27973001 is an apocalyptic number.

It is an amenable number.

27973001 is a deficient number, since it is larger than the sum of its proper divisors (4188919).

27973001 is a wasteful number, since it uses less digits than its factorization.

27973001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 27973001 is about 5288.9508411404. The cubic root of 27973001 is about 303.5612647696.

The spelling of 27973001 in words is "twenty-seven million, nine hundred seventy-three thousand, one".