32664004 has 24 divisors (see below), whose sum is σ = 61937568. Its totient is φ = 15012480.

The previous prime is 32664001. The next prime is 32664043. The reversal of 32664004 is 40046623.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 32664004.

It is not an unprimeable number, because it can be changed into a prime (32664001) 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 7 ways as a sum of consecutive naturals, for example, 2662 + ... + 8509.

It is an arithmetic number, because the mean of its divisors is an integer number (2580732).

Almost surely, 2^32664004 is an apocalyptic number.

32664004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

32664004 is a deficient number, since it is larger than the sum of its proper divisors (29273564).

32664004 is a wasteful number, since it uses less digits than its factorization.

32664004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235 (or 11233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 32664004 is about 5715.2431269369. The cubic root of 32664004 is about 319.6611125912.

The spelling of 32664004 in words is "thirty-two million, six hundred sixty-four thousand, four".