64045733 has 2 divisors, whose sum is σ = 64045734. Its totient is φ = 64045732.

The previous prime is 64045711. The next prime is 64045741. The reversal of 64045733 is 33754046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 5094049 = 7678^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 64045733 - 2¹⁴ = 64029349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64045733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64045703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32022866 + 32022867.

It is an arithmetic number, because the mean of its divisors is an integer number (32022867).

Almost surely, 2^64045733 is an apocalyptic number.

It is an amenable number.

64045733 is a deficient number, since it is larger than the sum of its proper divisors (1).

64045733 is an equidigital number, since it uses as much as digits as its factorization.

64045733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 64045733 is about 8002.8578020605. The cubic root of 64045733 is about 400.0952543980.

Adding to 64045733 its reverse (33754046), we get a palindrome (97799779).

The spelling of 64045733 in words is "sixty-four million, forty-five thousand, seven hundred thirty-three".