68177776 has 40 divisors (see below), whose sum is σ = 140147280. Its totient is φ = 32039424.

The previous prime is 68177761. The next prime is 68177783. The reversal of 68177776 is 67777186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40830 + ... + 42466.

It is an arithmetic number, because the mean of its divisors is an integer number (3503682).

Almost surely, 2^68177776 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 68177776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70073640).

68177776 is an abundant number, since it is smaller than the sum of its proper divisors (71969504).

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

68177776 is a wasteful number, since it uses less digits than its factorization.

68177776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1795 counting only the distinct ones).

The product of its digits is 691488, while the sum is 49.

The square root of 68177776 is about 8256.9834685556. The cubic root of 68177776 is about 408.5208969033.

The spelling of 68177776 in words is "sixty-eight million, one hundred seventy-seven thousand, seven hundred seventy-six".