68761608 has 64 divisors (see below), whose sum is σ = 182865600. Its totient is φ = 21484800.

The previous prime is 68761607. The next prime is 68761619. The reversal of 68761608 is 80616786.

It is a self number, because there is not a number n which added to its sum of digits gives 68761608.

It is not an unprimeable number, because it can be changed into a prime (68761607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45310 + ... + 46802.

It is an arithmetic number, because the mean of its divisors is an integer number (2857275).

Almost surely, 2^68761608 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 68761608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91432800).

68761608 is an abundant number, since it is smaller than the sum of its proper divisors (114103992).

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

68761608 is a wasteful number, since it uses less digits than its factorization.

68761608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68761608 is about 8292.2619350814. The cubic root of 68761608 is about 409.6836901999.

The spelling of 68761608 in words is "sixty-eight million, seven hundred sixty-one thousand, six hundred eight".