64318752 has 192 divisors, whose sum is σ = 206841600. Its totient is φ = 19353600.

The previous prime is 64318747. The next prime is 64318753. The reversal of 64318752 is 25781346.

64318752 is a `hidden beast` number, since 643 + 1 + 8 + 7 + 5 + 2 = 666.

64318752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64318753) 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 31 ways as a sum of consecutive naturals, for example, 425877 + ... + 426027.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^64318752 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 64318752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103420800).

64318752 is an abundant number, since it is smaller than the sum of its proper divisors (142522848).

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

64318752 is a wasteful number, since it uses less digits than its factorization.

64318752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 202 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 64318752 is about 8019.8972561997. The cubic root of 64318752 is about 400.6629672457.

The spelling of 64318752 in words is "sixty-four million, three hundred eighteen thousand, seven hundred fifty-two".