27272766 has 8 divisors (see below), whose sum is σ = 54545544. Its totient is φ = 9090920.

The previous prime is 27272761. The next prime is 27272783. The reversal of 27272766 is 66727272.

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

27272766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272761) 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, 2272725 + ... + 2272736.

It is an arithmetic number, because the mean of its divisors is an integer number (6818193).

Almost surely, 2^27272766 is an apocalyptic number.

27272766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27272766 is a wasteful number, since it uses less digits than its factorization.

27272766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545466.

The product of its digits is 98784, while the sum is 39.

The square root of 27272766 is about 5222.3333865237. Note that the first 4 decimals coincide. The cubic root of 27272766 is about 301.0068614308.

Adding to 27272766 its sum of digits (39), we get a triangular number (27272805 = T₇₃₈₅).

The spelling of 27272766 in words is "twenty-seven million, two hundred seventy-two thousand, seven hundred sixty-six".