64399105 has 8 divisors (see below), whose sum is σ = 77457600. Its totient is φ = 51400176.

The previous prime is 64399087. The next prime is 64399147. The reversal of 64399105 is 50199346.

64399105 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.

It is a cyclic number.

It is not a de Polignac number, because 64399105 - 2¹³ = 64390913 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 12475 + ... + 16864.

It is an arithmetic number, because the mean of its divisors is an integer number (9682200).

Almost surely, 2^64399105 is an apocalyptic number.

It is an amenable number.

64399105 is a deficient number, since it is larger than the sum of its proper divisors (13058495).

64399105 is a wasteful number, since it uses less digits than its factorization.

64399105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29783.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 64399105 is about 8024.9052953913. The cubic root of 64399105 is about 400.8297463623.

The spelling of 64399105 in words is "sixty-four million, three hundred ninety-nine thousand, one hundred five".