678034 has 16 divisors (see below), whose sum is σ = 1224000. Its totient is φ = 275184.

The previous prime is 678023. The next prime is 678037. The reversal of 678034 is 430876.

It is a junction number, because it is equal to n+sod(n) for n = 677993 and 678011.

It is not an unprimeable number, because it can be changed into a prime (678037) 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, 1009 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (76500).

2⁶⁷⁸⁰³⁴ is an apocalyptic number.

678034 is a deficient number, since it is larger than the sum of its proper divisors (545966).

678034 is a wasteful number, since it uses less digits than its factorization.

678034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 678034 is about 823.4281996628. The cubic root of 678034 is about 87.8517649025.

The spelling of 678034 in words is "six hundred seventy-eight thousand, thirty-four".