27968701 has 2 divisors, whose sum is σ = 27968702. Its totient is φ = 27968700.

The previous prime is 27968693. The next prime is 27968719. The reversal of 27968701 is 10786972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19272100 + 8696601 = 4390^2 + 2949^2 .

It is a cyclic number.

It is not a de Polignac number, because 27968701 - 2³ = 27968693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27968761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13984350 + 13984351.

It is an arithmetic number, because the mean of its divisors is an integer number (13984351).

Almost surely, 2^27968701 is an apocalyptic number.

It is an amenable number.

27968701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27968701 is an equidigital number, since it uses as much as digits as its factorization.

27968701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 27968701 is about 5288.5443176738. The cubic root of 27968701 is about 303.5457095285.

The spelling of 27968701 in words is "twenty-seven million, nine hundred sixty-eight thousand, seven hundred one".