27276769 has 12 divisors (see below), whose sum is σ = 29842176. Its totient is φ = 24918192.

The previous prime is 27276763. The next prime is 27276773. The reversal of 27276769 is 96767272.

It is a de Polignac number, because none of the positive numbers 2^k-27276769 is a prime.

It is a super-2 number, since 2×27276769² = 1488044254158722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27276763) 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 11 ways as a sum of consecutive naturals, for example, 16624 + ... + 18190.

It is an arithmetic number, because the mean of its divisors is an integer number (2486848).

Almost surely, 2^27276769 is an apocalyptic number.

It is an amenable number.

27276769 is a deficient number, since it is larger than the sum of its proper divisors (2565407).

27276769 is a wasteful number, since it uses less digits than its factorization.

27276769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1683 counting only the distinct ones).

The product of its digits is 444528, while the sum is 46.

The square root of 27276769 is about 5222.7166302605. The cubic root of 27276769 is about 301.0215876174.

The spelling of 27276769 in words is "twenty-seven million, two hundred seventy-six thousand, seven hundred sixty-nine".