670339718 has 4 divisors (see below), whose sum is σ = 1005509580. Its totient is φ = 335169858.

The previous prime is 670339711. The next prime is 670339721. The reversal of 670339718 is 817933076.

670339718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670339711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167584928 + ... + 167584931.

It is an arithmetic number, because the mean of its divisors is an integer number (251377395).

Almost surely, 2^670339718 is an apocalyptic number.

670339718 is a deficient number, since it is larger than the sum of its proper divisors (335169862).

670339718 is a wasteful number, since it uses less digits than its factorization.

670339718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335169861.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 670339718 is about 25890.9196051434. The cubic root of 670339718 is about 875.1818802320.

The spelling of 670339718 in words is "six hundred seventy million, three hundred thirty-nine thousand, seven hundred eighteen".