670351700 has 72 divisors (see below), whose sum is σ = 1484722680. Its totient is φ = 262656000.

The previous prime is 670351699. The next prime is 670351709. The reversal of 670351700 is 7153076.

670351700 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 12 ways, for example, as 6980164 + 663371536 = 2642^2 + 25756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670351709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1671500 + ... + 1671900.

Almost surely, 2^670351700 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 670351700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742361340).

670351700 is an abundant number, since it is smaller than the sum of its proper divisors (814370980).

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

670351700 is a wasteful number, since it uses less digits than its factorization.

670351700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 670351700 is about 25891.1509979761. The cubic root of 670351700 is about 875.1870946860.

The spelling of 670351700 in words is "six hundred seventy million, three hundred fifty-one thousand, seven hundred".