64360447 has 6 divisors (see below), whose sum is σ = 65970224. Its totient is φ = 62789040.

The previous prime is 64360421. The next prime is 64360451. The reversal of 64360447 is 74406346.

It is not a de Polignac number, because 64360447 - 2⁷ = 64360319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64360547) 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 in 5 ways as a sum of consecutive naturals, for example, 17463 + ... + 20824.

Almost surely, 2^64360447 is an apocalyptic number.

64360447 is a deficient number, since it is larger than the sum of its proper divisors (1609777).

64360447 is an equidigital number, since it uses as much as digits as its factorization.

64360447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38369 (or 38328 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 64360447 is about 8022.4963072600. The cubic root of 64360447 is about 400.7495259001.

The spelling of 64360447 in words is "sixty-four million, three hundred sixty thousand, four hundred forty-seven".