64005242 has 16 divisors (see below), whose sum is σ = 112276032. Its totient is φ = 26792640.

The previous prime is 64005239. The next prime is 64005259. The reversal of 64005242 is 24250046.

64005242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 52559 + ... + 53762.

It is an arithmetic number, because the mean of its divisors is an integer number (7017252).

Almost surely, 2^64005242 is an apocalyptic number.

64005242 is a deficient number, since it is larger than the sum of its proper divisors (48270790).

64005242 is a wasteful number, since it uses less digits than its factorization.

64005242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106373.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 64005242 is about 8000.3276182916. The cubic root of 64005242 is about 400.0109205352.

Adding to 64005242 its reverse (24250046), we get a palindrome (88255288).

The spelling of 64005242 in words is "sixty-four million, five thousand, two hundred forty-two".