32746991 has 2 divisors, whose sum is σ = 32746992. Its totient is φ = 32746990.

The previous prime is 32746939. The next prime is 32746993. The reversal of 32746991 is 19964723.

It is a strong prime.

It is an emirp because it is prime and its reverse (19964723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32746991 - 2¹⁰ = 32745967 is a prime.

Together with 32746993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32746993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16373495 + 16373496.

It is an arithmetic number, because the mean of its divisors is an integer number (16373496).

Almost surely, 2^32746991 is an apocalyptic number.

32746991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32746991 is an equidigital number, since it uses as much as digits as its factorization.

32746991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 32746991 is about 5722.4986675403. The cubic root of 32746991 is about 319.9315967073.

The spelling of 32746991 in words is "thirty-two million, seven hundred forty-six thousand, nine hundred ninety-one".