670064933 has 2 divisors, whose sum is σ = 670064934. Its totient is φ = 670064932.

The previous prime is 670064881. The next prime is 670064959. The reversal of 670064933 is 339460076.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654438724 + 15626209 = 25582^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 670064933 - 2¹² = 670060837 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 (670064233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335032466 + 335032467.

It is an arithmetic number, because the mean of its divisors is an integer number (335032467).

Almost surely, 2^670064933 is an apocalyptic number.

It is an amenable number.

670064933 is a deficient number, since it is larger than the sum of its proper divisors (1).

670064933 is an equidigital number, since it uses as much as digits as its factorization.

670064933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 670064933 is about 25885.6124710234. The cubic root of 670064933 is about 875.0622793222.

The spelling of 670064933 in words is "six hundred seventy million, sixty-four thousand, nine hundred thirty-three".