670829668 has 12 divisors (see below), whose sum is σ = 1187143020. Its totient is φ = 331645952.

The previous prime is 670829651. The next prime is 670829669. The reversal of 670829668 is 866928076.

670829668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39413284 + 631416384 = 6278^2 + 25128^2 .

It is not an unprimeable number, because it can be changed into a prime (670829669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941821 + ... + 942532.

It is an arithmetic number, because the mean of its divisors is an integer number (98928585).

Almost surely, 2^670829668 is an apocalyptic number.

It is an amenable number.

670829668 is a deficient number, since it is larger than the sum of its proper divisors (516313352).

670829668 is a wasteful number, since it uses less digits than its factorization.

670829668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884446 (or 1884444 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 670829668 is about 25900.3796883366. The cubic root of 670829668 is about 875.3950512181.

The spelling of 670829668 in words is "six hundred seventy million, eight hundred twenty-nine thousand, six hundred sixty-eight".