32688004 has 12 divisors (see below), whose sum is σ = 57535884. Its totient is φ = 16249184.

The previous prime is 32688001. The next prime is 32688011. The reversal of 32688004 is 40088623.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12974404 + 19713600 = 3602^2 + 4440^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32688001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22927 + ... + 24310.

It is an arithmetic number, because the mean of its divisors is an integer number (4794657).

Almost surely, 2^32688004 is an apocalyptic number.

It is an amenable number.

32688004 is a deficient number, since it is larger than the sum of its proper divisors (24847880).

32688004 is a wasteful number, since it uses less digits than its factorization.

32688004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47414 (or 47412 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 32688004 is about 5717.3423896073. The cubic root of 32688004 is about 319.7393841599.

The spelling of 32688004 in words is "thirty-two million, six hundred eighty-eight thousand, four".