65734768 has 40 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 29653440.

The previous prime is 65734741. The next prime is 65734769. The reversal of 65734768 is 86743756.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65734769) 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, 23121 + ... + 25807.

It is an arithmetic number, because the mean of its divisors is an integer number (3499776).

Almost surely, 2^65734768 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 65734768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69995520).

65734768 is an abundant number, since it is smaller than the sum of its proper divisors (74256272).

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

65734768 is a wasteful number, since it uses less digits than its factorization.

65734768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2839 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 65734768 is about 8107.6980703526. The cubic root of 65734768 is about 403.5819287230.

The spelling of 65734768 in words is "sixty-five million, seven hundred thirty-four thousand, seven hundred sixty-eight".