64766944 has 72 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 28680960.

The previous prime is 64766929. The next prime is 64766951. The reversal of 64766944 is 44966746.

64766944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64766894 and 64766903.

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 11 ways as a sum of consecutive naturals, for example, 166302 + ... + 166690.

It is an arithmetic number, because the mean of its divisors is an integer number (1996995).

Almost surely, 2^64766944 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 64766944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71891820).

64766944 is an abundant number, since it is smaller than the sum of its proper divisors (79016696).

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

64766944 is a wasteful number, since it uses less digits than its factorization.

64766944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 445 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 64766944 is about 8047.7912497778. The cubic root of 64766944 is about 401.5914597423.

The spelling of 64766944 in words is "sixty-four million, seven hundred sixty-six thousand, nine hundred forty-four".