670353967 has 2 divisors, whose sum is σ = 670353968. Its totient is φ = 670353966.

The previous prime is 670353941. The next prime is 670353989. The reversal of 670353967 is 769353076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670353967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670353907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335176983 + 335176984.

It is an arithmetic number, because the mean of its divisors is an integer number (335176984).

Almost surely, 2^670353967 is an apocalyptic number.

670353967 is a deficient number, since it is larger than the sum of its proper divisors (1).

670353967 is an equidigital number, since it uses as much as digits as its factorization.

670353967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 46.

The square root of 670353967 is about 25891.1947773756. The cubic root of 670353967 is about 875.1880812561.

The spelling of 670353967 in words is "six hundred seventy million, three hundred fifty-three thousand, nine hundred sixty-seven".