678130 has 16 divisors (see below), whose sum is σ = 1292760. Its totient is φ = 255232.

The previous prime is 678103. The next prime is 678133. The reversal of 678130 is 31876.

678130 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 4 ways, for example, as 606841 + 71289 = 779^2 + 267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 678095 and 678104.

It is not an unprimeable number, because it can be changed into a prime (678133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 2164.

2⁶⁷⁸¹³⁰ is an apocalyptic number.

678130 is a deficient number, since it is larger than the sum of its proper divisors (614630).

678130 is a wasteful number, since it uses less digits than its factorization.

678130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 678130 is about 823.4864904781. The cubic root of 678130 is about 87.8559108949.

It can be divided in two parts, 678 and 130, that added together give a palindrome (808).

The spelling of 678130 in words is "six hundred seventy-eight thousand, one hundred thirty".