670713371 has 2 divisors, whose sum is σ = 670713372. Its totient is φ = 670713370.

The previous prime is 670713353. The next prime is 670713377. The reversal of 670713371 is 173317076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670713371 - 2¹⁰ = 670712347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (670713377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335356685 + 335356686.

It is an arithmetic number, because the mean of its divisors is an integer number (335356686).

Almost surely, 2^670713371 is an apocalyptic number.

670713371 is a deficient number, since it is larger than the sum of its proper divisors (1).

670713371 is an equidigital number, since it uses as much as digits as its factorization.

670713371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 670713371 is about 25898.1345081069. The cubic root of 670713371 is about 875.3444612761.

The spelling of 670713371 in words is "six hundred seventy million, seven hundred thirteen thousand, three hundred seventy-one".