68782608 has 70 divisors (see below), whose sum is σ = 199841934. Its totient is φ = 22923648.

The previous prime is 68782607. The next prime is 68782639. The reversal of 68782608 is 80628786.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 1411344 = 8208^2 + 1188^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68782601) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8716 + ... + 14612.

Almost surely, 2^68782608 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 68782608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99920967).

68782608 is an abundant number, since it is smaller than the sum of its proper divisors (131059326).

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

68782608 is an equidigital number, since it uses as much as digits as its factorization.

68782608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 68782608 is about 8293.5280791711. The cubic root of 68782608 is about 409.7253921615.

The spelling of 68782608 in words is "sixty-eight million, seven hundred eighty-two thousand, six hundred eight".