32572745 has 8 divisors (see below), whose sum is σ = 41144640. Its totient is φ = 24686640.

The previous prime is 32572733. The next prime is 32572747. The reversal of 32572745 is 54727523.

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

It is not a de Polignac number, because 32572745 - 2⁶ = 32572681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32572747) 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 7 ways as a sum of consecutive naturals, for example, 171341 + ... + 171530.

It is an arithmetic number, because the mean of its divisors is an integer number (5143080).

Almost surely, 2^32572745 is an apocalyptic number.

It is an amenable number.

32572745 is a deficient number, since it is larger than the sum of its proper divisors (8571895).

32572745 is a wasteful number, since it uses less digits than its factorization.

32572745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342895.

The product of its digits is 58800, while the sum is 35.

The square root of 32572745 is about 5707.2537178577. The cubic root of 32572745 is about 319.3631376576.

The spelling of 32572745 in words is "thirty-two million, five hundred seventy-two thousand, seven hundred forty-five".