673670047 has 2 divisors, whose sum is σ = 673670048. Its totient is φ = 673670046.

The previous prime is 673670027. The next prime is 673670089. The reversal of 673670047 is 740076376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673670047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673669991 and 673670009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673670027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336835023 + 336835024.

It is an arithmetic number, because the mean of its divisors is an integer number (336835024).

Almost surely, 2^673670047 is an apocalyptic number.

673670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

673670047 is an equidigital number, since it uses as much as digits as its factorization.

673670047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 673670047 is about 25955.1545362381. The cubic root of 673670047 is about 876.6288232414.

The spelling of 673670047 in words is "six hundred seventy-three million, six hundred seventy thousand, forty-seven".