32640522 has 8 divisors (see below), whose sum is σ = 65281056. Its totient is φ = 10880172.

The previous prime is 32640481. The next prime is 32640529. The reversal of 32640522 is 22504623.

It is a sphenic number, since it is the product of 3 distinct primes.

32640522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 32640492 and 32640501.

It is not an unprimeable number, because it can be changed into a prime (32640529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720038 + ... + 2720049.

It is an arithmetic number, because the mean of its divisors is an integer number (8160132).

Almost surely, 2^32640522 is an apocalyptic number.

32640522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32640522 is a wasteful number, since it uses less digits than its factorization.

32640522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440092.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 32640522 is about 5713.1884267894. The cubic root of 32640522 is about 319.5844932673.

The spelling of 32640522 in words is "thirty-two million, six hundred forty thousand, five hundred twenty-two".