68780192 has 48 divisors (see below), whose sum is σ = 147361032. Its totient is φ = 31411200.

The previous prime is 68780183. The next prime is 68780219. The reversal of 68780192 is 29108786.

It can be written as a sum of positive squares in 4 ways, for example, as 46840336 + 21939856 = 6844^2 + 4684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41198 + ... + 42834.

Almost surely, 2^68780192 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 68780192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73680516).

68780192 is an abundant number, since it is smaller than the sum of its proper divisors (78580840).

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

68780192 is a wasteful number, since it uses less digits than its factorization.

68780192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 68780192 is about 8293.3824221484. The cubic root of 68780192 is about 409.7205948823.

The spelling of 68780192 in words is "sixty-eight million, seven hundred eighty thousand, one hundred ninety-two".