678700674 has 16 divisors (see below), whose sum is σ = 1508223840. Its totient is φ = 226233540.

The previous prime is 678700663. The next prime is 678700703. The reversal of 678700674 is 476007876.

It is an unprimeable 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, 6284212 + ... + 6284319.

It is an arithmetic number, because the mean of its divisors is an integer number (94263990).

Almost surely, 2^678700674 is an apocalyptic number.

678700674 is an abundant number, since it is smaller than the sum of its proper divisors (829523166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678700674 is a wasteful number, since it uses less digits than its factorization.

678700674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568542 (or 12568536 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 678700674 is about 26051.8842696646. The cubic root of 678700674 is about 878.8054876009.

The spelling of 678700674 in words is "six hundred seventy-eight million, seven hundred thousand, six hundred seventy-four".