65746944 has 192 divisors, whose sum is σ = 206388000. Its totient is φ = 20643840.

The previous prime is 65746943. The next prime is 65746963. The reversal of 65746944 is 44964756.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 65746944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65746943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603564 + ... + 1603604.

Almost surely, 2^65746944 is an apocalyptic number.

65746944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65746944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103194000).

65746944 is an abundant number, since it is smaller than the sum of its proper divisors (140641056).

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

65746944 is a wasteful number, since it uses less digits than its factorization.

65746944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 75 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 65746944 is about 8108.4489268910. The cubic root of 65746944 is about 403.6068455736.

The spelling of 65746944 in words is "sixty-five million, seven hundred forty-six thousand, nine hundred forty-four".