68771826 has 48 divisors (see below), whose sum is σ = 158016768. Its totient is φ = 21578400.

The previous prime is 68771803. The next prime is 68771831. The reversal of 68771826 is 62817786.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18981 + ... + 22311.

It is an arithmetic number, because the mean of its divisors is an integer number (3292016).

Almost surely, 2^68771826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68771826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79008384).

68771826 is an abundant number, since it is smaller than the sum of its proper divisors (89244942).

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

68771826 is a wasteful number, since it uses less digits than its factorization.

68771826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3404 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 68771826 is about 8292.8780287666. The cubic root of 68771826 is about 409.7039822434.

The spelling of 68771826 in words is "sixty-eight million, seven hundred seventy-one thousand, eight hundred twenty-six".