68722622500 has 225 divisors, whose sum is σ = 176973115319. Its totient is φ = 23341836000.

The previous prime is 68722622467. The next prime is 68722622543. The reversal of 68722622500 is 522622786.

It is a happy number.

The square root of 68722622500 is 262150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 5387853604 + 63334768896 = 73402^2 + 251664^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 642267447 + ... + 642267553.

Almost surely, 2^68722622500 is an apocalyptic number.

68722622500 is the 262150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68722622500

68722622500 is an abundant number, since it is smaller than the sum of its proper divisors (108250492819).

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

68722622500 is an frugal number, since it uses more digits than its factorization.

68722622500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 68722622500 in words is "sixty-eight billion, seven hundred twenty-two million, six hundred twenty-two thousand, five hundred".