32445072 has 60 divisors (see below), whose sum is σ = 99060624. Its totient is φ = 9831360.

The previous prime is 32445067. The next prime is 32445121. The reversal of 32445072 is 27054423.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8658 + ... + 11825.

Almost surely, 2^32445072 is an apocalyptic number.

It is an amenable number.

32445072 is an abundant number, since it is smaller than the sum of its proper divisors (66615552).

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

32445072 is a wasteful number, since it uses less digits than its factorization.

32445072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508 (or 20499 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 32445072 is about 5696.0575839786. The cubic root of 32445072 is about 318.9453298738.

Adding to 32445072 its reverse (27054423), we get a palindrome (59499495).

The spelling of 32445072 in words is "thirty-two million, four hundred forty-five thousand, seventy-two".