65680750734 has 16 divisors (see below), whose sum is σ = 131368638672. Its totient is φ = 21892394048.

The previous prime is 65680750687. The next prime is 65680750757. The reversal of 65680750734 is 43705708656.

65680750734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×65680750734³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173799 + ... + 401954.

It is an arithmetic number, because the mean of its divisors is an integer number (8210539917).

Almost surely, 2^65680750734 is an apocalyptic number.

65680750734 is an abundant number, since it is smaller than the sum of its proper divisors (65687887938).

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

65680750734 is a wasteful number, since it uses less digits than its factorization.

65680750734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594771.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 65680750734 in words is "sixty-five billion, six hundred eighty million, seven hundred fifty thousand, seven hundred thirty-four".