27029969 has 2 divisors, whose sum is σ = 27029970. Its totient is φ = 27029968.

The previous prime is 27029957. The next prime is 27029993. The reversal of 27029969 is 96992072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22137025 + 4892944 = 4705^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 27029969 - 2⁴ = 27029953 is a prime.

It is a super-2 number, since 2×27029969² = 1461238448281922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27029909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13514984 + 13514985.

It is an arithmetic number, because the mean of its divisors is an integer number (13514985).

Almost surely, 2^27029969 is an apocalyptic number.

It is an amenable number.

27029969 is a deficient number, since it is larger than the sum of its proper divisors (1).

27029969 is an equidigital number, since it uses as much as digits as its factorization.

27029969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 27029969 is about 5199.0353913010. The cubic root of 27029969 is about 300.1109552543.

The spelling of 27029969 in words is "twenty-seven million, twenty-nine thousand, nine hundred sixty-nine".