27738001 has 2 divisors, whose sum is σ = 27738002. Its totient is φ = 27738000.

The previous prime is 27737987. The next prime is 27738031. The reversal of 27738001 is 10083772.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 853776 = 5185^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 27738001 - 2¹³ = 27729809 is a prime.

It is not a weakly prime, because it can be changed into another prime (27738031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13869000 + 13869001.

It is an arithmetic number, because the mean of its divisors is an integer number (13869001).

Almost surely, 2^27738001 is an apocalyptic number.

It is an amenable number.

27738001 is a deficient number, since it is larger than the sum of its proper divisors (1).

27738001 is an equidigital number, since it uses as much as digits as its factorization.

27738001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 27738001 is about 5266.6878586072. The cubic root of 27738001 is about 302.7088046789.

The spelling of 27738001 in words is "twenty-seven million, seven hundred thirty-eight thousand, one".