65331344 has 60 divisors (see below), whose sum is σ = 140985396. Its totient is φ = 29293056.

The previous prime is 65331337. The next prime is 65331347. The reversal of 65331344 is 44313356.

It can be written as a sum of positive squares in 6 ways, for example, as 5856400 + 59474944 = 2420^2 + 7712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65331347) 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 11 ways as a sum of consecutive naturals, for example, 99722 + ... + 100374.

Almost surely, 2^65331344 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 65331344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70492698).

65331344 is an abundant number, since it is smaller than the sum of its proper divisors (75654052).

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

65331344 is a wasteful number, since it uses less digits than its factorization.

65331344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 705 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 65331344 is about 8082.7807096321. The cubic root of 65331344 is about 402.7546199600.

The spelling of 65331344 in words is "sixty-five million, three hundred thirty-one thousand, three hundred forty-four".