64633607 has 2 divisors, whose sum is σ = 64633608. Its totient is φ = 64633606.

The previous prime is 64633571. The next prime is 64633693. The reversal of 64633607 is 70633646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64633607 - 2¹⁰ = 64632583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64635607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32316803 + 32316804.

It is an arithmetic number, because the mean of its divisors is an integer number (32316804).

Almost surely, 2^64633607 is an apocalyptic number.

64633607 is a deficient number, since it is larger than the sum of its proper divisors (1).

64633607 is an equidigital number, since it uses as much as digits as its factorization.

64633607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 64633607 is about 8039.5029075186. The cubic root of 64633607 is about 401.3156822889.

The spelling of 64633607 in words is "sixty-four million, six hundred thirty-three thousand, six hundred seven".