64738305 has 16 divisors (see below), whose sum is σ = 115090560. Its totient is φ = 34527024.

The previous prime is 64738291. The next prime is 64738309. The reversal of 64738305 is 50383746.

It is a happy number.

64738305 is a `hidden beast` number, since 647 + 3 + 8 + 3 + 0 + 5 = 666.

64738305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64738305 - 2⁶ = 64738241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64738305.

It is not an unprimeable number, because it can be changed into a prime (64738309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239637 + ... + 239906.

It is an arithmetic number, because the mean of its divisors is an integer number (7193160).

Almost surely, 2^64738305 is an apocalyptic number.

It is an amenable number.

64738305 is a deficient number, since it is larger than the sum of its proper divisors (50352255).

64738305 is a wasteful number, since it uses less digits than its factorization.

64738305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479557 (or 479551 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 64738305 is about 8046.0117449579. The cubic root of 64738305 is about 401.5322583826.

The spelling of 64738305 in words is "sixty-four million, seven hundred thirty-eight thousand, three hundred five".