68767065306 has 48 divisors (see below), whose sum is σ = 154510410600. Its totient is φ = 22077748224.

The previous prime is 68767065293. The next prime is 68767065307. The reversal of 68767065306 is 60356076786.

It can be written as a sum of positive squares in 4 ways, for example, as 68753559681 + 13505625 = 262209^2 + 3675^2 .

It is not an unprimeable number, because it can be changed into a prime (68767065307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52450 + ... + 374546.

Almost surely, 2^68767065306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68767065306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77255205300).

68767065306 is an abundant number, since it is smaller than the sum of its proper divisors (85743345294).

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

68767065306 is a wasteful number, since it uses less digits than its factorization.

68767065306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322543 (or 322540 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 68767065306 in words is "sixty-eight billion, seven hundred sixty-seven million, sixty-five thousand, three hundred six".