673426005 has 32 divisors (see below), whose sum is σ = 1233149184. Its totient is φ = 307416576.

The previous prime is 673426001. The next prime is 673426037. The reversal of 673426005 is 500624376.

It is not a de Polignac number, because 673426005 - 2² = 673426001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673426001) 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 in 31 ways as a sum of consecutive naturals, for example, 77017 + ... + 85313.

It is an arithmetic number, because the mean of its divisors is an integer number (38535912).

Almost surely, 2^673426005 is an apocalyptic number.

It is an amenable number.

673426005 is a deficient number, since it is larger than the sum of its proper divisors (559723179).

673426005 is a wasteful number, since it uses less digits than its factorization.

673426005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 673426005 is about 25950.4528862215. The cubic root of 673426005 is about 876.5229553463.

The spelling of 673426005 in words is "six hundred seventy-three million, four hundred twenty-six thousand, five".