32768664 has 16 divisors (see below), whose sum is σ = 81921720. Its totient is φ = 10922880.

The previous prime is 32768663. The next prime is 32768683. The reversal of 32768664 is 46686723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32768663) 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, 682657 + ... + 682704.

Almost surely, 2^32768664 is an apocalyptic number.

It is an amenable number.

32768664 is an abundant number, since it is smaller than the sum of its proper divisors (49153056).

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

32768664 is a wasteful number, since it uses less digits than its factorization.

32768664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365370 (or 1365366 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 32768664 is about 5724.3920201188. The cubic root of 32768664 is about 320.0021614437.

The spelling of 32768664 in words is "thirty-two million, seven hundred sixty-eight thousand, six hundred sixty-four".