678470932 has 12 divisors (see below), whose sum is σ = 1188503316. Its totient is φ = 338898560.

The previous prime is 678470927. The next prime is 678470953. The reversal of 678470932 is 239074876.

It can be written as a sum of positive squares in 2 ways, for example, as 247244176 + 431226756 = 15724^2 + 20766^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 79669 + ... + 87772.

It is an arithmetic number, because the mean of its divisors is an integer number (99041943).

Almost surely, 2^678470932 is an apocalyptic number.

It is an amenable number.

678470932 is a deficient number, since it is larger than the sum of its proper divisors (510032384).

678470932 is a wasteful number, since it uses less digits than its factorization.

678470932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168458 (or 168456 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 678470932 is about 26047.4745800817. The cubic root of 678470932 is about 878.7063170713.

The spelling of 678470932 in words is "six hundred seventy-eight million, four hundred seventy thousand, nine hundred thirty-two".