670834213 has 8 divisors (see below), whose sum is σ = 769498880. Its totient is φ = 572877360.

The previous prime is 670834201. The next prime is 670834277. The reversal of 670834213 is 312438076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670834213 - 2⁵ = 670834181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670834313) 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 7 ways as a sum of consecutive naturals, for example, 174918 + ... + 178711.

It is an arithmetic number, because the mean of its divisors is an integer number (96187360).

Almost surely, 2^670834213 is an apocalyptic number.

It is an amenable number.

670834213 is a deficient number, since it is larger than the sum of its proper divisors (98664667).

670834213 is a wasteful number, since it uses less digits than its factorization.

670834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353907.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 670834213 is about 25900.4674282145. The cubic root of 670834213 is about 875.3970282035.

The spelling of 670834213 in words is "six hundred seventy million, eight hundred thirty-four thousand, two hundred thirteen".