68047521030 has 96 divisors (see below), whose sum is σ = 181840261824. Its totient is φ = 17642458368.

The previous prime is 68047520971. The next prime is 68047521077. The reversal of 68047521030 is 3012574086.

68047521030 is a `hidden beast` number, since 6 + 80 + 475 + 2 + 103 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4964847 + ... + 4978533.

It is an arithmetic number, because the mean of its divisors is an integer number (1894169394).

Almost surely, 2^68047521030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68047521030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90920130912).

68047521030 is an abundant number, since it is smaller than the sum of its proper divisors (113792740794).

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

68047521030 is a wasteful number, since it uses less digits than its factorization.

68047521030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15230 (or 15227 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 68047521030 in words is "sixty-eight billion, forty-seven million, five hundred twenty-one thousand, thirty".