670027903 has 2 divisors, whose sum is σ = 670027904. Its totient is φ = 670027902.

The previous prime is 670027889. The next prime is 670027909. The reversal of 670027903 is 309720076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670027903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670027909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335013951 + 335013952.

It is an arithmetic number, because the mean of its divisors is an integer number (335013952).

Almost surely, 2^670027903 is an apocalyptic number.

670027903 is a deficient number, since it is larger than the sum of its proper divisors (1).

670027903 is an equidigital number, since it uses as much as digits as its factorization.

670027903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 670027903 is about 25884.8971989460. The cubic root of 670027903 is about 875.0461594152.

Adding to 670027903 its reverse (309720076), we get a palindrome (979747979).

The spelling of 670027903 in words is "six hundred seventy million, twenty-seven thousand, nine hundred three".