780068 has 24 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 364320.

The previous prime is 780061. The next prime is 780119. The reversal of 780068 is 860087.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 780068.

It is not an unprimeable number, because it can be changed into a prime (780061) by changing a digit.

780068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (60760).

2⁷⁸⁰⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

780068 is a deficient number, since it is larger than the sum of its proper divisors (678172).

780068 is a wasteful number, since it uses less digits than its factorization.

780068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 780068 is about 883.2145832129. The cubic root of 780068 is about 92.0543157524.

The spelling of 780068 in words is "seven hundred eighty thousand, sixty-eight".