68356608 has 80 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 22568960.

The previous prime is 68356601. The next prime is 68356637. The reversal of 68356608 is 80665386.

It is a self number, because there is not a number n which added to its sum of digits gives 68356608.

It is not an unprimeable number, because it can be changed into a prime (68356601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293260 + ... + 293492.

Almost surely, 2^68356608 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 68356608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91922688).

68356608 is an abundant number, since it is smaller than the sum of its proper divisors (115488768).

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

68356608 is a wasteful number, since it uses less digits than its factorization.

68356608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 68356608 is about 8267.8055129520. The cubic root of 68356608 is about 408.8777718745.

It can be divided in two parts, 683 and 56608, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 68356608 in words is "sixty-eight million, three hundred fifty-six thousand, six hundred eight".