27490433 has 2 divisors, whose sum is σ = 27490434. Its totient is φ = 27490432.

The previous prime is 27490429. The next prime is 27490453. The reversal of 27490433 is 33409472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 937024 = 5153^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 27490433 - 2² = 27490429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27490433.

It is not a weakly prime, because it can be changed into another prime (27490403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13745216 + 13745217.

It is an arithmetic number, because the mean of its divisors is an integer number (13745217).

Almost surely, 2^27490433 is an apocalyptic number.

It is an amenable number.

27490433 is a deficient number, since it is larger than the sum of its proper divisors (1).

27490433 is an equidigital number, since it uses as much as digits as its factorization.

27490433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 27490433 is about 5243.1319838432. The cubic root of 27490433 is about 301.8055302538.

The spelling of 27490433 in words is "twenty-seven million, four hundred ninety thousand, four hundred thirty-three".