68890176 has 140 divisors (see below), whose sum is σ = 207823308. Its totient is φ = 22560768.

The previous prime is 68890169. The next prime is 68890201. The reversal of 68890176 is 67109886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 33177600 = 5976^2 + 5760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 502780 + ... + 502916.

Almost surely, 2^68890176 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 68890176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103911654).

68890176 is an abundant number, since it is smaller than the sum of its proper divisors (138933132).

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

68890176 is a wasteful number, since it uses less digits than its factorization.

68890176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68890176 is about 8300.0106024029. The cubic root of 68890176 is about 409.9388685379.

The spelling of 68890176 in words is "sixty-eight million, eight hundred ninety thousand, one hundred seventy-six".