65433712 has 40 divisors (see below), whose sum is σ = 132982560. Its totient is φ = 31130880.

The previous prime is 65433703. The next prime is 65433713. The reversal of 65433712 is 21733456.

65433712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65433713) 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 7 ways as a sum of consecutive naturals, for example, 98662 + ... + 99322.

It is an arithmetic number, because the mean of its divisors is an integer number (3324564).

Almost surely, 2^65433712 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 65433712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66491280).

65433712 is an abundant number, since it is smaller than the sum of its proper divisors (67548848).

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

65433712 is a wasteful number, since it uses less digits than its factorization.

65433712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 65433712 is about 8089.1107051393. The cubic root of 65433712 is about 402.9648695741.

The spelling of 65433712 in words is "sixty-five million, four hundred thirty-three thousand, seven hundred twelve".