32643379 has 2 divisors, whose sum is σ = 32643380. Its totient is φ = 32643378.

The previous prime is 32643329. The next prime is 32643431. The reversal of 32643379 is 97334623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32643379 - 2⁷ = 32643251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32643329) 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 as a sum of consecutive naturals, namely, 16321689 + 16321690.

It is an arithmetic number, because the mean of its divisors is an integer number (16321690).

Almost surely, 2^32643379 is an apocalyptic number.

32643379 is a deficient number, since it is larger than the sum of its proper divisors (1).

32643379 is an equidigital number, since it uses as much as digits as its factorization.

32643379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 32643379 is about 5713.4384568314. The cubic root of 32643379 is about 319.5938173243.

The spelling of 32643379 in words is "thirty-two million, six hundred forty-three thousand, three hundred seventy-nine".