670946903 has 8 divisors (see below), whose sum is σ = 732189456. Its totient is φ = 609745600.

The previous prime is 670946893. The next prime is 670946959. The reversal of 670946903 is 309649076.

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 670946903 - 2¹⁸ = 670684759 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 (670946203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30875 + ... + 47907.

It is an arithmetic number, because the mean of its divisors is an integer number (91523682).

Almost surely, 2^670946903 is an apocalyptic number.

670946903 is a deficient number, since it is larger than the sum of its proper divisors (61242553).

670946903 is a wasteful number, since it uses less digits than its factorization.

670946903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 670946903 is about 25902.6427802261. The cubic root of 670946903 is about 875.4460432785.

The spelling of 670946903 in words is "six hundred seventy million, nine hundred forty-six thousand, nine hundred three".