27609668 has 6 divisors (see below), whose sum is σ = 48316926. Its totient is φ = 13804832.

The previous prime is 27609667. The next prime is 27609671. The reversal of 27609668 is 86690672.

It can be written as a sum of positive squares in only one way, i.e., 17825284 + 9784384 = 4222^2 + 3128^2 .

It is not an unprimeable number, because it can be changed into a prime (27609667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3451205 + ... + 3451212.

It is an arithmetic number, because the mean of its divisors is an integer number (8052821).

Almost surely, 2^27609668 is an apocalyptic number.

It is an amenable number.

27609668 is a deficient number, since it is larger than the sum of its proper divisors (20707258).

27609668 is a wasteful number, since it uses less digits than its factorization.

27609668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902421 (or 6902419 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 27609668 is about 5254.4902702355. The cubic root of 27609668 is about 302.2412440169.

The spelling of 27609668 in words is "twenty-seven million, six hundred nine thousand, six hundred sixty-eight".