670320030 has 64 divisors (see below), whose sum is σ = 1711015488. Its totient is φ = 167485440.

The previous prime is 670320023. The next prime is 670320031. The reversal of 670320030 is 30023076.

It is a junction number, because it is equal to n+sod(n) for n = 670319979 and 670320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670320031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 116010 + ... + 121650.

It is an arithmetic number, because the mean of its divisors is an integer number (26734617).

Almost surely, 2^670320030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670320030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855507744).

670320030 is an abundant number, since it is smaller than the sum of its proper divisors (1040695458).

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

670320030 is a wasteful number, since it uses less digits than its factorization.

670320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 670320030 is about 25890.5393918319. The cubic root of 670320030 is about 875.1733120642.

The spelling of 670320030 in words is "six hundred seventy million, three hundred twenty thousand, thirty".