32720003 has 2 divisors, whose sum is σ = 32720004. Its totient is φ = 32720002.

The previous prime is 32719997. The next prime is 32720021. The reversal of 32720003 is 30002723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32720003 - 2¹⁰ = 32718979 is a prime.

It is not a weakly prime, because it can be changed into another prime (32720063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16360001 + 16360002.

It is an arithmetic number, because the mean of its divisors is an integer number (16360002).

Almost surely, 2^32720003 is an apocalyptic number.

32720003 is a deficient number, since it is larger than the sum of its proper divisors (1).

32720003 is an equidigital number, since it uses as much as digits as its factorization.

32720003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 32720003 is about 5720.1401206614. The cubic root of 32720003 is about 319.8436834191.

Adding to 32720003 its reverse (30002723), we get a palindrome (62722726).

The spelling of 32720003 in words is "thirty-two million, seven hundred twenty thousand, three".