27141749 has 2 divisors, whose sum is σ = 27141750. Its totient is φ = 27141748.

The previous prime is 27141733. The next prime is 27141769. The reversal of 27141749 is 94714172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27112849 + 28900 = 5207^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 27141749 - 2⁴ = 27141733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27141769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570874 + 13570875.

It is an arithmetic number, because the mean of its divisors is an integer number (13570875).

Almost surely, 2^27141749 is an apocalyptic number.

It is an amenable number.

27141749 is a deficient number, since it is larger than the sum of its proper divisors (1).

27141749 is an equidigital number, since it uses as much as digits as its factorization.

27141749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 27141749 is about 5209.7743713140. The cubic root of 27141749 is about 300.5240802295.

The spelling of 27141749 in words is "twenty-seven million, one hundred forty-one thousand, seven hundred forty-nine".