68700946000 has 80 divisors (see below), whose sum is σ = 166219838928. Its totient is φ = 27463680000.

The previous prime is 68700945941. The next prime is 68700946007. The reversal of 68700946000 is 64900786.

It can be written as a sum of positive squares in 8 ways, for example, as 57251089984 + 11449856016 = 239272^2 + 107004^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68700946007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3592464 + ... + 3611536.

Almost surely, 2^68700946000 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 68700946000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83109919464).

68700946000 is an abundant number, since it is smaller than the sum of its proper divisors (97518892928).

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

68700946000 is a wasteful number, since it uses less digits than its factorization.

68700946000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897 (or 20881 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 68700946000 in words is "sixty-eight billion, seven hundred million, nine hundred forty-six thousand".