68695333872 has 480 divisors, whose sum is σ = 217346088960. Its totient is φ = 18601228800.

The previous prime is 68695333849. The next prime is 68695333873. The reversal of 68695333872 is 27833359686.

It is a happy number.

Its product of digits (39191040) is a multiple of the sum of its prime divisors (576).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68695333873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147098983 + ... + 147099449.

It is an arithmetic number, because the mean of its divisors is an integer number (452804352).

Almost surely, 2^68695333872 is an apocalyptic number.

68695333872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68695333872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108673044480).

68695333872 is an abundant number, since it is smaller than the sum of its proper divisors (148650755088).

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

68695333872 is a wasteful number, since it uses less digits than its factorization.

68695333872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 576 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 60.

The spelling of 68695333872 in words is "sixty-eight billion, six hundred ninety-five million, three hundred thirty-three thousand, eight hundred seventy-two".