68722590848 has 216 divisors, whose sum is σ = 153896332395. Its totient is φ = 30560509952.

The previous prime is 68722590847. The next prime is 68722590851. The reversal of 68722590848 is 84809522786.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 54872125504 + 13850465344 = 234248^2 + 117688^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185368.

It is a super-2 number, since 2×68722590848² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68722590847) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1462182761 + ... + 1462182807.

Almost surely, 2^68722590848 is an apocalyptic number.

68722590848 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68722590848

68722590848 is an abundant number, since it is smaller than the sum of its proper divisors (85173741547).

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

68722590848 is an equidigital number, since it uses as much as digits as its factorization.

68722590848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 68722590848 in words is "sixty-eight billion, seven hundred twenty-two million, five hundred ninety thousand, eight hundred forty-eight".