64423376 has 40 divisors (see below), whose sum is σ = 133235520. Its totient is φ = 30087936.

The previous prime is 64423369. The next prime is 64423393. The reversal of 64423376 is 67332446.

64423376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 20741 + ... + 23643.

It is an arithmetic number, because the mean of its divisors is an integer number (3330888).

Almost surely, 2^64423376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64423376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66617760).

64423376 is an abundant number, since it is smaller than the sum of its proper divisors (68812144).

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

64423376 is a wasteful number, since it uses less digits than its factorization.

64423376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2997 counting only the distinct ones).

The product of its digits is 72576, while the sum is 35.

The square root of 64423376 is about 8026.4173826185. The cubic root of 64423376 is about 400.8800954929.

The spelling of 64423376 in words is "sixty-four million, four hundred twenty-three thousand, three hundred seventy-six".