27773764 has 12 divisors (see below), whose sum is σ = 50280300. Its totient is φ = 13407968.

The previous prime is 27773741. The next prime is 27773773. The reversal of 27773764 is 46737772.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 20793600 = 2642^2 + 4560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27773764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119599 + ... + 119830.

It is an arithmetic number, because the mean of its divisors is an integer number (4190025).

Almost surely, 2^27773764 is an apocalyptic number.

It is an amenable number.

27773764 is a deficient number, since it is larger than the sum of its proper divisors (22506536).

27773764 is a wasteful number, since it uses less digits than its factorization.

27773764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239462 (or 239460 counting only the distinct ones).

The product of its digits is 345744, while the sum is 43.

The square root of 27773764 is about 5270.0819727970. The cubic root of 27773764 is about 302.8388443995.

The spelling of 27773764 in words is "twenty-seven million, seven hundred seventy-three thousand, seven hundred sixty-four".