673902273 has 16 divisors (see below), whose sum is σ = 1011843072. Its totient is φ = 395250000.

The previous prime is 673902269. The next prime is 673902289. The reversal of 673902273 is 372209376.

It is not a de Polignac number, because 673902273 - 2² = 673902269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673902233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328353 + ... + 330398.

It is an arithmetic number, because the mean of its divisors is an integer number (63240192).

Almost surely, 2^673902273 is an apocalyptic number.

It is an amenable number.

673902273 is a deficient number, since it is larger than the sum of its proper divisors (337940799).

673902273 is a wasteful number, since it uses less digits than its factorization.

673902273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658796.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 673902273 is about 25959.6277515684. The cubic root of 673902273 is about 876.7295414978.

The spelling of 673902273 in words is "six hundred seventy-three million, nine hundred two thousand, two hundred seventy-three".