27792001 has 2 divisors, whose sum is σ = 27792002. Its totient is φ = 27792000.

The previous prime is 27791977. The next prime is 27792013. The reversal of 27792001 is 10029772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 4511376 = 4825^2 + 2124^2 .

It is a cyclic number.

It is not a de Polignac number, because 27792001 - 2⁷ = 27791873 is a prime.

It is not a weakly prime, because it can be changed into another prime (27792031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13896000 + 13896001.

It is an arithmetic number, because the mean of its divisors is an integer number (13896001).

Almost surely, 2^27792001 is an apocalyptic number.

It is an amenable number.

27792001 is a deficient number, since it is larger than the sum of its proper divisors (1).

27792001 is an equidigital number, since it uses as much as digits as its factorization.

27792001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27792001 is about 5271.8119276014. The cubic root of 27792001 is about 302.9051139387.

The spelling of 27792001 in words is "twenty-seven million, seven hundred ninety-two thousand, one".