32745643 has 8 divisors (see below), whose sum is σ = 37467360. Its totient is φ = 28034880.

The previous prime is 32745617. The next prime is 32745653. The reversal of 32745643 is 34654723.

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

It is a cyclic number.

It is not a de Polignac number, because 32745643 - 2⁹ = 32745131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32745599 and 32745608.

It is not an unprimeable number, because it can be changed into a prime (32745653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5223 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (4683420).

Almost surely, 2^32745643 is an apocalyptic number.

32745643 is a deficient number, since it is larger than the sum of its proper divisors (4721717).

32745643 is a wasteful number, since it uses less digits than its factorization.

32745643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477.

The product of its digits is 60480, while the sum is 34.

The square root of 32745643 is about 5722.3808856105. The cubic root of 32745643 is about 319.9272067496.

The spelling of 32745643 in words is "thirty-two million, seven hundred forty-five thousand, six hundred forty-three".