1673320673 has 8 divisors (see below), whose sum is σ = 1706661408. Its totient is φ = 1640261664.

The previous prime is 1673320669. The next prime is 1673320711. The reversal of 1673320673 is 3760233761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1673320673 - 2² = 1673320669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1673320643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58415 + ... + 82212.

It is an arithmetic number, because the mean of its divisors is an integer number (213332676).

Almost surely, 2^1673320673 is an apocalyptic number.

It is an amenable number.

1673320673 is a deficient number, since it is larger than the sum of its proper divisors (33340735).

1673320673 is a wasteful number, since it uses less digits than its factorization.

1673320673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140863.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 1673320673 is about 40906.2424698236. The cubic root of 1673320673 is about 1187.2068457227.

The spelling of 1673320673 in words is "one billion, six hundred seventy-three million, three hundred twenty thousand, six hundred seventy-three".