670140330 has 64 divisors (see below), whose sum is σ = 1664851968. Its totient is φ = 172457280.

The previous prime is 670140329. The next prime is 670140347. The reversal of 670140330 is 33041076.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670140330.

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 31 ways as a sum of consecutive naturals, for example, 433539 + ... + 435081.

It is an arithmetic number, because the mean of its divisors is an integer number (26013312).

Almost surely, 2^670140330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670140330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832425984).

670140330 is an abundant number, since it is smaller than the sum of its proper divisors (994711638).

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

670140330 is a wasteful number, since it uses less digits than its factorization.

670140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 670140330 is about 25887.0687796050. The cubic root of 670140330 is about 875.0950993236.

The spelling of 670140330 in words is "six hundred seventy million, one hundred forty thousand, three hundred thirty".