670370069 has 2 divisors, whose sum is σ = 670370070. Its totient is φ = 670370068.

The previous prime is 670370039. The next prime is 670370083. The reversal of 670370069 is 960073076.

670370069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363664900 + 306705169 = 19070^2 + 17513^2 .

It is a cyclic number.

It is not a de Polignac number, because 670370069 - 2²⁴ = 653592853 is a prime.

It is a super-2 number, since 2×670370069² = 898792058822129522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670370039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335185034 + 335185035.

It is an arithmetic number, because the mean of its divisors is an integer number (335185035).

Almost surely, 2^670370069 is an apocalyptic number.

It is an amenable number.

670370069 is a deficient number, since it is larger than the sum of its proper divisors (1).

670370069 is an equidigital number, since it uses as much as digits as its factorization.

670370069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 670370069 is about 25891.5057306446. The cubic root of 670370069 is about 875.1950885818.

The spelling of 670370069 in words is "six hundred seventy million, three hundred seventy thousand, sixty-nine".