32764021 has 2 divisors, whose sum is σ = 32764022. Its totient is φ = 32764020.

The previous prime is 32764019. The next prime is 32764027. The reversal of 32764021 is 12046723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 784996 = 5655^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 32764021 - 2¹ = 32764019 is a prime.

Together with 32764019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32764027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16382010 + 16382011.

It is an arithmetic number, because the mean of its divisors is an integer number (16382011).

Almost surely, 2^32764021 is an apocalyptic number.

It is an amenable number.

32764021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32764021 is an equidigital number, since it uses as much as digits as its factorization.

32764021 is an evil number, because the sum of its binary digits is even.

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

The square root of 32764021 is about 5723.9864605011. The cubic root of 32764021 is about 319.9870470017.

The spelling of 32764021 in words is "thirty-two million, seven hundred sixty-four thousand, twenty-one".