64755344 has 40 divisors (see below), whose sum is σ = 132699840. Its totient is φ = 30526848.

The previous prime is 64755323. The next prime is 64755349. The reversal of 64755344 is 44355746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 64755298 and 64755307.

It is not an unprimeable number, because it can be changed into a prime (64755349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88709 + ... + 89435.

It is an arithmetic number, because the mean of its divisors is an integer number (3317496).

Almost surely, 2^64755344 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 64755344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66349920).

64755344 is an abundant number, since it is smaller than the sum of its proper divisors (67944496).

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

64755344 is a wasteful number, since it uses less digits than its factorization.

64755344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1041 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 64755344 is about 8047.0705228673. The cubic root of 64755344 is about 401.5674828039.

The spelling of 64755344 in words is "sixty-four million, seven hundred fifty-five thousand, three hundred forty-four".