68755523430 has 64 divisors (see below), whose sum is σ = 184879749888. Its totient is φ = 16217516160.

The previous prime is 68755523377. The next prime is 68755523437. The reversal of 68755523430 is 3432555786.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 68755523430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68755523437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2803332 + ... + 2827751.

It is an arithmetic number, because the mean of its divisors is an integer number (2888746092).

Almost surely, 2^68755523430 is an apocalyptic number.

68755523430 is an abundant number, since it is smaller than the sum of its proper divisors (116124226458).

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

68755523430 is a wasteful number, since it uses less digits than its factorization.

68755523430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631141.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 68755523430 in words is "sixty-eight billion, seven hundred fifty-five million, five hundred twenty-three thousand, four hundred thirty".