32730044 has 12 divisors (see below), whose sum is σ = 58358664. Its totient is φ = 16056144.

The previous prime is 32730041. The next prime is 32730053. The reversal of 32730044 is 44003723.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32730041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76982 + ... + 77405.

It is an arithmetic number, because the mean of its divisors is an integer number (4863222).

Almost surely, 2^32730044 is an apocalyptic number.

It is an amenable number.

32730044 is a deficient number, since it is larger than the sum of its proper divisors (25628620).

32730044 is a wasteful number, since it uses less digits than its factorization.

32730044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154444 (or 154442 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 32730044 is about 5721.0177416260. The cubic root of 32730044 is about 319.8763975763.

Adding to 32730044 its reverse (44003723), we get a palindrome (76733767).

The spelling of 32730044 in words is "thirty-two million, seven hundred thirty thousand, forty-four".