670684464 has 60 divisors (see below), whose sum is σ = 1882090600. Its totient is φ = 222953472.

The previous prime is 670684451. The next prime is 670684489. The reversal of 670684464 is 464486076.

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, 48432 + ... + 60720.

Almost surely, 2^670684464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670684464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941045300).

670684464 is an abundant number, since it is smaller than the sum of its proper divisors (1211406136).

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

670684464 is a wasteful number, since it uses less digits than its factorization.

670684464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 670684464 is about 25897.5764117031. The cubic root of 670684464 is about 875.3318856380.

The spelling of 670684464 in words is "six hundred seventy million, six hundred eighty-four thousand, four hundred sixty-four".