673512073 has 16 divisors (see below), whose sum is σ = 756078400. Its totient is φ = 595843776.

The previous prime is 673512067. The next prime is 673512083. The reversal of 673512073 is 370215376.

It is a cyclic number.

It is not a de Polignac number, because 673512073 - 2²¹ = 671414921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673512083) 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 15 ways as a sum of consecutive naturals, for example, 21778 + ... + 42676.

It is an arithmetic number, because the mean of its divisors is an integer number (47254900).

Almost surely, 2^673512073 is an apocalyptic number.

It is an amenable number.

673512073 is a deficient number, since it is larger than the sum of its proper divisors (82566327).

673512073 is a wasteful number, since it uses less digits than its factorization.

673512073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 673512073 is about 25952.1111472651. Note that the first 4 decimals coincide. The cubic root of 673512073 is about 876.5602954369.

The spelling of 673512073 in words is "six hundred seventy-three million, five hundred twelve thousand, seventy-three".