32712749 has 2 divisors, whose sum is σ = 32712750. Its totient is φ = 32712748.

The previous prime is 32712703. The next prime is 32712763. The reversal of 32712749 is 94721723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32410249 + 302500 = 5693^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 32712749 - 2¹² = 32708653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32712349) 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, 16356374 + 16356375.

It is an arithmetic number, because the mean of its divisors is an integer number (16356375).

Almost surely, 2^32712749 is an apocalyptic number.

It is an amenable number.

32712749 is a deficient number, since it is larger than the sum of its proper divisors (1).

32712749 is an equidigital number, since it uses as much as digits as its factorization.

32712749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 32712749 is about 5719.5060101376. The cubic root of 32712749 is about 319.8200453043.

The spelling of 32712749 in words is "thirty-two million, seven hundred twelve thousand, seven hundred forty-nine".