64344307 has 2 divisors, whose sum is σ = 64344308. Its totient is φ = 64344306.

The previous prime is 64344151. The next prime is 64344311. The reversal of 64344307 is 70344346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64344307 - 2¹⁹ = 63820019 is a prime.

It is not a weakly prime, because it can be changed into another prime (64344107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32172153 + 32172154.

It is an arithmetic number, because the mean of its divisors is an integer number (32172154).

Almost surely, 2^64344307 is an apocalyptic number.

64344307 is a deficient number, since it is larger than the sum of its proper divisors (1).

64344307 is an equidigital number, since it uses as much as digits as its factorization.

64344307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 64344307 is about 8021.4903228764. The cubic root of 64344307 is about 400.7160237601.

The spelling of 64344307 in words is "sixty-four million, three hundred forty-four thousand, three hundred seven".