680378 has 8 divisors (see below), whose sum is σ = 1030260. Its totient is φ = 336960.

The previous prime is 680377. The next prime is 680387. The reversal of 680378 is 873086.

680378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 51529 = 793^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (680377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343 + ... + 1778.

2⁶⁸⁰³⁷⁸ is an apocalyptic number.

680378 is a deficient number, since it is larger than the sum of its proper divisors (349882).

680378 is a wasteful number, since it uses less digits than its factorization.

680378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 680378 is about 824.8502894465. The cubic root of 680378 is about 87.9528845584.

The spelling of 680378 in words is "six hundred eighty thousand, three hundred seventy-eight".