678412030 has 32 divisors (see below), whose sum is σ = 1296181440. Its totient is φ = 254768640.

The previous prime is 678412019. The next prime is 678412079. The reversal of 678412030 is 30214876.

It is a junction number, because it is equal to n+sod(n) for n = 678411983 and 678412001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66831 + ... + 76309.

It is an arithmetic number, because the mean of its divisors is an integer number (40505670).

Almost surely, 2^678412030 is an apocalyptic number.

678412030 is a deficient number, since it is larger than the sum of its proper divisors (617769410).

678412030 is a wasteful number, since it uses less digits than its factorization.

678412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 678412030 is about 26046.3438893062. The cubic root of 678412030 is about 878.6808878034.

The spelling of 678412030 in words is "six hundred seventy-eight million, four hundred twelve thousand, thirty".