32445071 has 4 divisors (see below), whose sum is σ = 32700672. Its totient is φ = 32189472.

The previous prime is 32445067. The next prime is 32445121. The reversal of 32445071 is 17054423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32445071 - 2² = 32445067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32445071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32445001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127610 + ... + 127863.

It is an arithmetic number, because the mean of its divisors is an integer number (8175168).

Almost surely, 2^32445071 is an apocalyptic number.

32445071 is a deficient number, since it is larger than the sum of its proper divisors (255601).

32445071 is a wasteful number, since it uses less digits than its factorization.

32445071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255600.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 32445071 is about 5696.0574961986. The cubic root of 32445071 is about 318.9453265970.

Adding to 32445071 its reverse (17054423), we get a palindrome (49499494).

The spelling of 32445071 in words is "thirty-two million, four hundred forty-five thousand, seventy-one".