27664696 has 8 divisors (see below), whose sum is σ = 51871320. Its totient is φ = 13832344.

The previous prime is 27664673. The next prime is 27664697. The reversal of 27664696 is 69646672.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27664697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1729036 + ... + 1729051.

It is an arithmetic number, because the mean of its divisors is an integer number (6483915).

Almost surely, 2^27664696 is an apocalyptic number.

It is an amenable number.

27664696 is a deficient number, since it is larger than the sum of its proper divisors (24206624).

27664696 is a wasteful number, since it uses less digits than its factorization.

27664696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458093 (or 3458089 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 27664696 is about 5259.7239471288. The cubic root of 27664696 is about 302.4419067460.

The spelling of 27664696 in words is "twenty-seven million, six hundred sixty-four thousand, six hundred ninety-six".