670909824 has 256 divisors, whose sum is σ = 2167704000. Its totient is φ = 203046912.

The previous prime is 670909823. The next prime is 670909829. The reversal of 670909824 is 428909076.

It is a happy number.

670909824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 670909824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670909823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4897084 + ... + 4897220.

Almost surely, 2^670909824 is an apocalyptic number.

670909824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670909824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083852000).

670909824 is an abundant number, since it is smaller than the sum of its proper divisors (1496794176).

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

670909824 is a wasteful number, since it uses less digits than its factorization.

670909824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 670909824 is about 25901.9270325588. The cubic root of 670909824 is about 875.4299161893.

The spelling of 670909824 in words is "six hundred seventy million, nine hundred nine thousand, eight hundred twenty-four".