65740342752 has 216 divisors, whose sum is σ = 217832214600. Its totient is φ = 18751799808.

The previous prime is 65740342721. The next prime is 65740342763. The reversal of 65740342752 is 25724304756.

65740342752 is a `hidden beast` number, since 6 + 574 + 0 + 3 + 4 + 2 + 75 + 2 = 666.

65740342752 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 3×65740342752³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65740342698 and 65740342707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9296274 + ... + 9303342.

It is an arithmetic number, because the mean of its divisors is an integer number (1008482475).

Almost surely, 2^65740342752 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 65740342752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108916107300).

65740342752 is an abundant number, since it is smaller than the sum of its proper divisors (152091871848).

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

65740342752 is a wasteful number, since it uses less digits than its factorization.

65740342752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758 (or 7740 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 65740342752 in words is "sixty-five billion, seven hundred forty million, three hundred forty-two thousand, seven hundred fifty-two".