673493045 has 16 divisors (see below), whose sum is σ = 821653248. Its totient is φ = 529848000.

The previous prime is 673493003. The next prime is 673493089. The reversal of 673493045 is 540394376.

It is a de Polignac number, because none of the positive numbers 2^k-673493045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673492993 and 673493011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250247 + ... + 252923.

It is an arithmetic number, because the mean of its divisors is an integer number (51353328).

Almost surely, 2^673493045 is an apocalyptic number.

It is an amenable number.

673493045 is a deficient number, since it is larger than the sum of its proper divisors (148160203).

673493045 is a wasteful number, since it uses less digits than its factorization.

673493045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 673493045 is about 25951.7445463691. The cubic root of 673493045 is about 876.5520405260.

The spelling of 673493045 in words is "six hundred seventy-three million, four hundred ninety-three thousand, forty-five".