670703706 has 64 divisors (see below), whose sum is σ = 1563235200. Its totient is φ = 212865408.

The previous prime is 670703659. The next prime is 670703749. The reversal of 670703706 is 607307076.

670703706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×670703706² = 899686922484268872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111385 + ... + 117251.

It is an arithmetic number, because the mean of its divisors is an integer number (24425550).

Almost surely, 2^670703706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670703706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781617600).

670703706 is an abundant number, since it is smaller than the sum of its proper divisors (892531494).

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

670703706 is a wasteful number, since it uses less digits than its factorization.

670703706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5974 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 670703706 is about 25897.9479109832. The cubic root of 670703706 is about 875.3402566758.

The spelling of 670703706 in words is "six hundred seventy million, seven hundred three thousand, seven hundred six".