27664994 has 8 divisors (see below), whose sum is σ = 47425728. Its totient is φ = 11856420.

The previous prime is 27664991. The next prime is 27664997. The reversal of 27664994 is 49946672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27664991) and next prime (27664997).

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

It is not an unprimeable number, because it can be changed into a prime (27664991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988022 + ... + 988049.

It is an arithmetic number, because the mean of its divisors is an integer number (5928216).

Almost surely, 2^27664994 is an apocalyptic number.

27664994 is a deficient number, since it is larger than the sum of its proper divisors (19760734).

27664994 is a wasteful number, since it uses less digits than its factorization.

27664994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976080.

The product of its digits is 653184, while the sum is 47.

The square root of 27664994 is about 5259.7522755354. The cubic root of 27664994 is about 302.4429926953.

The spelling of 27664994 in words is "twenty-seven million, six hundred sixty-four thousand, nine hundred ninety-four".