678630332 has 12 divisors (see below), whose sum is σ = 1199133936. Its totient is φ = 336020640.

The previous prime is 678630317. The next prime is 678630367. The reversal of 678630332 is 233036876.

678630332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823169 + ... + 823992.

It is an arithmetic number, because the mean of its divisors is an integer number (99927828).

Almost surely, 2^678630332 is an apocalyptic number.

It is an amenable number.

678630332 is a deficient number, since it is larger than the sum of its proper divisors (520503604).

678630332 is a wasteful number, since it uses less digits than its factorization.

678630332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647268 (or 1647266 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 678630332 is about 26050.5341979776. The cubic root of 678630332 is about 878.7751261206.

The spelling of 678630332 in words is "six hundred seventy-eight million, six hundred thirty thousand, three hundred thirty-two".