27050069 has 4 divisors (see below), whose sum is σ = 27982860. Its totient is φ = 26117280.

The previous prime is 27050039. The next prime is 27050137. The reversal of 27050069 is 96005072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20133169 + 6916900 = 4487^2 + 2630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27050069 is a prime.

It is a super-2 number, since 2×27050069² = 1463412465809522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 932761 = 27050069 / (2 + 7 + 0 + 5 + 0 + 0 + 6 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27050039) 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 in 3 ways as a sum of consecutive naturals, for example, 466352 + ... + 466409.

It is an arithmetic number, because the mean of its divisors is an integer number (6995715).

Almost surely, 2^27050069 is an apocalyptic number.

27050069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27050069 is a deficient number, since it is larger than the sum of its proper divisors (932791).

27050069 is an equidigital number, since it uses as much as digits as its factorization.

27050069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932790.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 27050069 is about 5200.9680829630. The cubic root of 27050069 is about 300.1853262311.

The spelling of 27050069 in words is "twenty-seven million, fifty thousand, sixty-nine".