64304347 has 2 divisors, whose sum is σ = 64304348. Its totient is φ = 64304346.

The previous prime is 64304329. The next prime is 64304381. The reversal of 64304347 is 74340346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64304347 - 2¹⁵ = 64271579 is a prime.

It is not a weakly prime, because it can be changed into another prime (64304147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32152173 + 32152174.

It is an arithmetic number, because the mean of its divisors is an integer number (32152174).

Almost surely, 2^64304347 is an apocalyptic number.

64304347 is a deficient number, since it is larger than the sum of its proper divisors (1).

64304347 is an equidigital number, since it uses as much as digits as its factorization.

64304347 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 64304347 is about 8018.9991270732. Note that the first 3 decimals coincide. The cubic root of 64304347 is about 400.6330538286.

The spelling of 64304347 in words is "sixty-four million, three hundred four thousand, three hundred forty-seven".