670195067 has 2 divisors, whose sum is σ = 670195068. Its totient is φ = 670195066.

The previous prime is 670195049. The next prime is 670195073. The reversal of 670195067 is 760591076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670195067 - 2⁶ = 670195003 is a prime.

It is a super-2 number, since 2×670195067² = 898322855662268978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670195007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335097533 + 335097534.

It is an arithmetic number, because the mean of its divisors is an integer number (335097534).

Almost surely, 2^670195067 is an apocalyptic number.

670195067 is a deficient number, since it is larger than the sum of its proper divisors (1).

670195067 is an equidigital number, since it uses as much as digits as its factorization.

670195067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 670195067 is about 25888.1259847058. The cubic root of 670195067 is about 875.1189245705.

The spelling of 670195067 in words is "six hundred seventy million, one hundred ninety-five thousand, sixty-seven".