673490047 has 2 divisors, whose sum is σ = 673490048. Its totient is φ = 673490046.

The previous prime is 673490039. The next prime is 673490063. The reversal of 673490047 is 740094376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673490047 - 2³ = 673490039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673489991 and 673490009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673490947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336745023 + 336745024.

It is an arithmetic number, because the mean of its divisors is an integer number (336745024).

Almost surely, 2^673490047 is an apocalyptic number.

673490047 is a deficient number, since it is larger than the sum of its proper divisors (1).

673490047 is an equidigital number, since it uses as much as digits as its factorization.

673490047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 673490047 is about 25951.6867852554. The cubic root of 673490047 is about 876.5507398905.

The spelling of 673490047 in words is "six hundred seventy-three million, four hundred ninety thousand, forty-seven".