670385803 has 8 divisors (see below), whose sum is σ = 710379072. Its totient is φ = 630454656.

The previous prime is 670385777. The next prime is 670385831. The reversal of 670385803 is 308583076.

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

It is not a de Polignac number, because 670385803 - 2¹⁷ = 670254731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670385003) 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, 7701 + ... + 37417.

It is an arithmetic number, because the mean of its divisors is an integer number (88797384).

Almost surely, 2^670385803 is an apocalyptic number.

670385803 is a deficient number, since it is larger than the sum of its proper divisors (39993269).

670385803 is a wasteful number, since it uses less digits than its factorization.

670385803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31061.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 670385803 is about 25891.8095736857. The cubic root of 670385803 is about 875.2019356515.

The spelling of 670385803 in words is "six hundred seventy million, three hundred eighty-five thousand, eight hundred three".