68866848 has 90 divisors (see below), whose sum is σ = 203785659. Its totient is φ = 22814784.

The previous prime is 68866817. The next prime is 68866859. The reversal of 68866848 is 84866886.

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 only one way, i.e., 34433424 + 34433424 = 5868^2 + 5868^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5868.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 68866794 and 68866803.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 422415 + ... + 422577.

Almost surely, 2^68866848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68866848

68866848 is an abundant number, since it is smaller than the sum of its proper divisors (134918811).

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

68866848 is an equidigital number, since it uses as much as digits as its factorization.

68866848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 168 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 68866848 is about 8298.6051840053. The cubic root of 68866848 is about 409.8925913369.

The spelling of 68866848 in words is "sixty-eight million, eight hundred sixty-six thousand, eight hundred forty-eight".