670674071 has 2 divisors, whose sum is σ = 670674072. Its totient is φ = 670674070.

The previous prime is 670674049. The next prime is 670674083. The reversal of 670674071 is 170476076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670674071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670674001) 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 as a sum of consecutive naturals, namely, 335337035 + 335337036.

It is an arithmetic number, because the mean of its divisors is an integer number (335337036).

Almost surely, 2^670674071 is an apocalyptic number.

670674071 is a deficient number, since it is larger than the sum of its proper divisors (1).

670674071 is an equidigital number, since it uses as much as digits as its factorization.

670674071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 670674071 is about 25897.3757550838. The cubic root of 670674071 is about 875.3273642017.

The spelling of 670674071 in words is "six hundred seventy million, six hundred seventy-four thousand, seventy-one".