670784130 has 96 divisors (see below), whose sum is σ = 1854762624. Its totient is φ = 167612928.

The previous prime is 670784117. The next prime is 670784161. The reversal of 670784130 is 31487076.

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 47 ways as a sum of consecutive naturals, for example, 401557 + ... + 403223.

It is an arithmetic number, because the mean of its divisors is an integer number (19320444).

Almost surely, 2^670784130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670784130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927381312).

670784130 is an abundant number, since it is smaller than the sum of its proper divisors (1183978494).

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

670784130 is a wasteful number, since it uses less digits than its factorization.

670784130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 670784130 is about 25899.5005743354. The cubic root of 670784130 is about 875.3752425921.

The spelling of 670784130 in words is "six hundred seventy million, seven hundred eighty-four thousand, one hundred thirty".