32664330 has 64 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 8660160.

The previous prime is 32664329. The next prime is 32664343. The reversal of 32664330 is 3346623.

32664330 is a `hidden beast` number, since 326 + 6 + 4 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32664294 and 32664303.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 83776 + ... + 84164.

It is an arithmetic number, because the mean of its divisors is an integer number (1368900).

Almost surely, 2^32664330 is an apocalyptic number.

32664330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32664330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43804800).

32664330 is an abundant number, since it is smaller than the sum of its proper divisors (54945270).

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

32664330 is a wasteful number, since it uses less digits than its factorization.

32664330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 32664330 is about 5715.2716470873. The cubic root of 32664330 is about 319.6621760369.

32664330 divided by its sum of digits (27) gives a triangular number (1209790 = T₁₅₅₅).

The spelling of 32664330 in words is "thirty-two million, six hundred sixty-four thousand, three hundred thirty".