27276149 has 2 divisors, whose sum is σ = 27276150. Its totient is φ = 27276148.

The previous prime is 27276133. The next prime is 27276167. The reversal of 27276149 is 94167272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 4761124 = 4745^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 27276149 - 2⁴ = 27276133 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27206149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13638074 + 13638075.

It is an arithmetic number, because the mean of its divisors is an integer number (13638075).

Almost surely, 2^27276149 is an apocalyptic number.

It is an amenable number.

27276149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27276149 is an equidigital number, since it uses as much as digits as its factorization.

27276149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 27276149 is about 5222.6572738406. The cubic root of 27276149 is about 301.0193068634.

The spelling of 27276149 in words is "twenty-seven million, two hundred seventy-six thousand, one hundred forty-nine".