64730707 has 2 divisors, whose sum is σ = 64730708. Its totient is φ = 64730706.

The previous prime is 64730693. The next prime is 64730711. The reversal of 64730707 is 70703746.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64730707 - 2¹⁹ = 64206419 is a prime.

It is not a weakly prime, because it can be changed into another prime (64730507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32365353 + 32365354.

It is an arithmetic number, because the mean of its divisors is an integer number (32365354).

Almost surely, 2^64730707 is an apocalyptic number.

64730707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64730707 is an equidigital number, since it uses as much as digits as its factorization.

64730707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 64730707 is about 8045.5395717130. The cubic root of 64730707 is about 401.5165491799.

The spelling of 64730707 in words is "sixty-four million, seven hundred thirty thousand, seven hundred seven".