673105547 has 2 divisors, whose sum is σ = 673105548. Its totient is φ = 673105546.

The previous prime is 673105507. The next prime is 673105549. The reversal of 673105547 is 745501376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673105547 is a prime.

It is a super-3 number, since 3×673105547³ (a number of 27 digits) contains 333 as substring.

Together with 673105549, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673105547.

It is not a weakly prime, because it can be changed into another prime (673105549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336552773 + 336552774.

It is an arithmetic number, because the mean of its divisors is an integer number (336552774).

Almost surely, 2^673105547 is an apocalyptic number.

673105547 is a deficient number, since it is larger than the sum of its proper divisors (1).

673105547 is an equidigital number, since it uses as much as digits as its factorization.

673105547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 673105547 is about 25944.2777313226. The cubic root of 673105547 is about 876.3838985642.

The spelling of 673105547 in words is "six hundred seventy-three million, one hundred five thousand, five hundred forty-seven".