679472784 has 60 divisors (see below), whose sum is σ = 1967163900. Its totient is φ = 218679552.

The previous prime is 679472771. The next prime is 679472803. The reversal of 679472784 is 487274976.

It can be written as a sum of positive squares in 2 ways, for example, as 437981184 + 241491600 = 20928^2 + 15540^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 679472784.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77179 + ... + 85530.

It is an arithmetic number, because the mean of its divisors is an integer number (32786065).

Almost surely, 2^679472784 is an apocalyptic number.

It is an amenable number.

679472784 is an abundant number, since it is smaller than the sum of its proper divisors (1287691116).

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

679472784 is a wasteful number, since it uses less digits than its factorization.

679472784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162752 (or 162743 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 679472784 is about 26066.6987553085. The cubic root of 679472784 is about 879.1386130303.

The spelling of 679472784 in words is "six hundred seventy-nine million, four hundred seventy-two thousand, seven hundred eighty-four".