64563306 has 8 divisors (see below), whose sum is σ = 129126624. Its totient is φ = 21521100.

The previous prime is 64563281. The next prime is 64563313. The reversal of 64563306 is 60336546.

It is a happy number.

64563306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

64563306 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5380270 + ... + 5380281.

It is an arithmetic number, because the mean of its divisors is an integer number (16140828).

Almost surely, 2^64563306 is an apocalyptic number.

64563306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64563306 is a wasteful number, since it uses less digits than its factorization.

64563306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760556.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 64563306 is about 8035.1294949117. The cubic root of 64563306 is about 401.1701278310.

The spelling of 64563306 in words is "sixty-four million, five hundred sixty-three thousand, three hundred six".