32664912 has 80 divisors (see below), whose sum is σ = 97946112. Its totient is φ = 9187200.

The previous prime is 32664911. The next prime is 32664913. The reversal of 32664912 is 21946623.

It is an interprime number because it is at equal distance from previous prime (32664911) and next prime (32664913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664911) 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 15 ways as a sum of consecutive naturals, for example, 21787 + ... + 23237.

Almost surely, 2^32664912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32664912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48973056).

32664912 is an abundant number, since it is smaller than the sum of its proper divisors (65281200).

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

32664912 is a wasteful number, since it uses less digits than its factorization.

32664912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1530 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 32664912 is about 5715.3225630755. The cubic root of 32664912 is about 319.6640745633.

The spelling of 32664912 in words is "thirty-two million, six hundred sixty-four thousand, nine hundred twelve".