27266969 has 4 divisors (see below), whose sum is σ = 27409920. Its totient is φ = 27124020.

The previous prime is 27266951. The next prime is 27266977. The reversal of 27266969 is 96966272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27266969 - 2⁸ = 27266713 is a prime.

It is a super-2 number, since 2×27266969² = 1486975196893922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27269969) 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, 71189 + ... + 71570.

It is an arithmetic number, because the mean of its divisors is an integer number (6852480).

Almost surely, 2^27266969 is an apocalyptic number.

It is an amenable number.

27266969 is a deficient number, since it is larger than the sum of its proper divisors (142951).

27266969 is a wasteful number, since it uses less digits than its factorization.

27266969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142950.

The product of its digits is 489888, while the sum is 47.

The square root of 27266969 is about 5221.7783369270. The cubic root of 27266969 is about 300.9855329448.

The spelling of 27266969 in words is "twenty-seven million, two hundred sixty-six thousand, nine hundred sixty-nine".