64424078 has 8 divisors (see below), whose sum is σ = 96732768. Its totient is φ = 32179824.

The previous prime is 64424057. The next prime is 64424083. The reversal of 64424078 is 87042446.

64424078 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 Curzon number.

It is a congruent 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, 13526 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (12091596).

Almost surely, 2^64424078 is an apocalyptic number.

64424078 is a deficient number, since it is larger than the sum of its proper divisors (32308690).

64424078 is a wasteful number, since it uses less digits than its factorization.

64424078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32218.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 64424078 is about 8026.4611130934. The cubic root of 64424078 is about 400.8815515731.

The spelling of 64424078 in words is "sixty-four million, four hundred twenty-four thousand, seventy-eight".