32640612 has 72 divisors (see below), whose sum is σ = 83891808. Its totient is φ = 9838080.

The previous prime is 32640599. The next prime is 32640637. The reversal of 32640612 is 21604623.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535062 + ... + 535122.

It is an arithmetic number, because the mean of its divisors is an integer number (1165164).

Almost surely, 2^32640612 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 32640612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41945904).

32640612 is an abundant number, since it is smaller than the sum of its proper divisors (51251196).

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

32640612 is a wasteful number, since it uses less digits than its factorization.

32640612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 32640612 is about 5713.1963032964. The cubic root of 32640612 is about 319.5847869981.

The spelling of 32640612 in words is "thirty-two million, six hundred forty thousand, six hundred twelve".