672690983 has 2 divisors, whose sum is σ = 672690984. Its totient is φ = 672690982.

The previous prime is 672690973. The next prime is 672691021. The reversal of 672690983 is 389096276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672690983 - 2⁸ = 672690727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672690923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336345491 + 336345492.

It is an arithmetic number, because the mean of its divisors is an integer number (336345492).

Almost surely, 2^672690983 is an apocalyptic number.

672690983 is a deficient number, since it is larger than the sum of its proper divisors (1).

672690983 is an equidigital number, since it uses as much as digits as its factorization.

672690983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 672690983 is about 25936.2869933227. The cubic root of 672690983 is about 876.2039407401.

The spelling of 672690983 in words is "six hundred seventy-two million, six hundred ninety thousand, nine hundred eighty-three".