65732823756 has 96 divisors (see below), whose sum is σ = 172871435520. Its totient is φ = 21596784768.

The previous prime is 65732823743. The next prime is 65732823791.

It is a happy number.

65732823756 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3962776 + ... + 3979328.

It is an arithmetic number, because the mean of its divisors is an integer number (1800744120).

Almost surely, 2^65732823756 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 65732823756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86435717760).

65732823756 is an abundant number, since it is smaller than the sum of its proper divisors (107138611764).

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

65732823756 is a wasteful number, since it uses less digits than its factorization.

65732823756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092 (or 17084 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 65732823756 in words is "sixty-five billion, seven hundred thirty-two million, eight hundred twenty-three thousand, seven hundred fifty-six".