32072641 has 4 divisors (see below), whose sum is σ = 32598484. Its totient is φ = 31546800.

The previous prime is 32072639. The next prime is 32072653. The reversal of 32072641 is 14627023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 28132416 = 1985^2 + 5304^2 .

It is a cyclic number.

It is not a de Polignac number, because 32072641 - 2¹ = 32072639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32072671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262830 + ... + 262951.

It is an arithmetic number, because the mean of its divisors is an integer number (8149621).

Almost surely, 2^32072641 is an apocalyptic number.

It is an amenable number.

32072641 is a deficient number, since it is larger than the sum of its proper divisors (525843).

32072641 is an equidigital number, since it uses as much as digits as its factorization.

32072641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525842.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 32072641 is about 5663.2712278329. The cubic root of 32072641 is about 317.7202588456.

Adding to 32072641 its reverse (14627023), we get a palindrome (46699664).

The spelling of 32072641 in words is "thirty-two million, seventy-two thousand, six hundred forty-one".