27276745 has 8 divisors (see below), whose sum is σ = 33788160. Its totient is φ = 21117360.

The previous prime is 27276727. The next prime is 27276757. The reversal of 27276745 is 54767272.

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

It is a de Polignac number, because none of the positive numbers 2^k-27276745 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 27276698 and 27276707.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87835 + ... + 88144.

It is an arithmetic number, because the mean of its divisors is an integer number (4223520).

Almost surely, 2^27276745 is an apocalyptic number.

It is an amenable number.

27276745 is a deficient number, since it is larger than the sum of its proper divisors (6511415).

27276745 is a wasteful number, since it uses less digits than its factorization.

27276745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176015.

The product of its digits is 164640, while the sum is 40.

The square root of 27276745 is about 5222.7143326052. The cubic root of 27276745 is about 301.0214993308.

The spelling of 27276745 in words is "twenty-seven million, two hundred seventy-six thousand, seven hundred forty-five".