27775716 has 12 divisors (see below), whose sum is σ = 64810032. Its totient is φ = 9258568.

The previous prime is 27775703. The next prime is 27775733. The reversal of 27775716 is 61757772.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157310 + ... + 1157333.

It is an arithmetic number, because the mean of its divisors is an integer number (5400836).

Almost surely, 2^27775716 is an apocalyptic number.

It is an amenable number.

27775716 is an abundant number, since it is smaller than the sum of its proper divisors (37034316).

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

27775716 is a wasteful number, since it uses less digits than its factorization.

27775716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314650 (or 2314648 counting only the distinct ones).

The product of its digits is 144060, while the sum is 42.

The square root of 27775716 is about 5270.2671659035. The cubic root of 27775716 is about 302.8459389556.

The spelling of 27775716 in words is "twenty-seven million, seven hundred seventy-five thousand, seven hundred sixteen".