64744307 has 2 divisors, whose sum is σ = 64744308. Its totient is φ = 64744306.

The previous prime is 64744271. The next prime is 64744349. The reversal of 64744307 is 70344746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64744307 - 2¹² = 64740211 is a prime.

It is not a weakly prime, because it can be changed into another prime (64744387) 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, 32372153 + 32372154.

It is an arithmetic number, because the mean of its divisors is an integer number (32372154).

Almost surely, 2^64744307 is an apocalyptic number.

64744307 is a deficient number, since it is larger than the sum of its proper divisors (1).

64744307 is an equidigital number, since it uses as much as digits as its factorization.

64744307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 64744307 is about 8046.3847161318. The cubic root of 64744307 is about 401.5446669154.

The spelling of 64744307 in words is "sixty-four million, seven hundred forty-four thousand, three hundred seven".