64424833 has 8 divisors (see below), whose sum is σ = 70344576. Its totient is φ = 58515600.

The previous prime is 64424821. The next prime is 64424869. The reversal of 64424833 is 33842446.

64424833 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 de Polignac number, because none of the positive numbers 2^k-64424833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64424233) 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 7 ways as a sum of consecutive naturals, for example, 15928 + ... + 19558.

It is an arithmetic number, because the mean of its divisors is an integer number (8793072).

Almost surely, 2^64424833 is an apocalyptic number.

It is an amenable number.

64424833 is a deficient number, since it is larger than the sum of its proper divisors (5919743).

64424833 is a wasteful number, since it uses less digits than its factorization.

64424833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

The product of its digits is 55296, while the sum is 34.

The square root of 64424833 is about 8026.5081448909. The cubic root of 64424833 is about 400.8831175735.

The spelling of 64424833 in words is "sixty-four million, four hundred twenty-four thousand, eight hundred thirty-three".