670340343 has 16 divisors (see below), whose sum is σ = 913822560. Its totient is φ = 436934784.

The previous prime is 670340339. The next prime is 670340353. The reversal of 670340343 is 343043076.

It is not a de Polignac number, because 670340343 - 2² = 670340339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670340343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670340303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39393 + ... + 53781.

It is an arithmetic number, because the mean of its divisors is an integer number (57113910).

Almost surely, 2^670340343 is an apocalyptic number.

670340343 is a deficient number, since it is larger than the sum of its proper divisors (243482217).

670340343 is a wasteful number, since it uses less digits than its factorization.

670340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 670340343 is about 25890.9316750093. The cubic root of 670340343 is about 875.1821522277.

The spelling of 670340343 in words is "six hundred seventy million, three hundred forty thousand, three hundred forty-three".