667373683 has 2 divisors, whose sum is σ = 667373684. Its totient is φ = 667373682.

The previous prime is 667373657. The next prime is 667373747. The reversal of 667373683 is 386373766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667373683 - 2⁹ = 667373171 is a prime.

It is not a weakly prime, because it can be changed into another prime (667373783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333686841 + 333686842.

It is an arithmetic number, because the mean of its divisors is an integer number (333686842).

Almost surely, 2^667373683 is an apocalyptic number.

667373683 is a deficient number, since it is larger than the sum of its proper divisors (1).

667373683 is an equidigital number, since it uses as much as digits as its factorization.

667373683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 49.

The square root of 667373683 is about 25833.5766590691. The cubic root of 667373683 is about 873.8891734595.

The spelling of 667373683 in words is "six hundred sixty-seven million, three hundred seventy-three thousand, six hundred eighty-three".