32120745 has 16 divisors (see below), whose sum is σ = 51464832. Its totient is φ = 17107200.

The previous prime is 32120731. The next prime is 32120747. The reversal of 32120745 is 54702123.

It is not a de Polignac number, because 32120745 - 2⁹ = 32120233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32120747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17124 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (3216552).

Almost surely, 2^32120745 is an apocalyptic number.

It is an amenable number.

32120745 is a deficient number, since it is larger than the sum of its proper divisors (19344087).

32120745 is a wasteful number, since it uses less digits than its factorization.

32120745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 32120745 is about 5667.5166519385. The cubic root of 32120745 is about 317.8790232441.

Adding to 32120745 its reverse (54702123), we get a palindrome (86822868).

The spelling of 32120745 in words is "thirty-two million, one hundred twenty thousand, seven hundred forty-five".