670627 has 2 divisors, whose sum is σ = 670628. Its totient is φ = 670626.

The previous prime is 670619. The next prime is 670639. The reversal of 670627 is 726076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670627 - 2³ = 670619 is a prime.

It is a Chen prime.

670627 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 670595 and 670604.

It is not a weakly prime, because it can be changed into another prime (670727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335313 + 335314.

It is an arithmetic number, because the mean of its divisors is an integer number (335314).

2⁶⁷⁰⁶²⁷ is an apocalyptic number.

670627 is a deficient number, since it is larger than the sum of its proper divisors (1).

670627 is an equidigital number, since it uses as much as digits as its factorization.

670627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 670627 is about 818.9181888321. The cubic root of 670627 is about 87.5306885552.

The spelling of 670627 in words is "six hundred seventy thousand, six hundred twenty-seven".