27256769 has 8 divisors (see below), whose sum is σ = 27678720. Its totient is φ = 26838000.

The previous prime is 27256741. The next prime is 27256793. The reversal of 27256769 is 96765272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27256769 - 2¹⁶ = 27191233 is a prime.

It is a super-2 number, since 2×27256769² = 1485862912638722, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27256799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20672 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (3459840).

Almost surely, 2^27256769 is an apocalyptic number.

It is an amenable number.

27256769 is a deficient number, since it is larger than the sum of its proper divisors (421951).

27256769 is a wasteful number, since it uses less digits than its factorization.

27256769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its digits is 317520, while the sum is 44.

The square root of 27256769 is about 5220.8015668094. The cubic root of 27256769 is about 300.9479974768.

The spelling of 27256769 in words is "twenty-seven million, two hundred fifty-six thousand, seven hundred sixty-nine".