673270909 has 8 divisors (see below), whose sum is σ = 725188640. Its totient is φ = 623001456.

The previous prime is 673270903. The next prime is 673270921. The reversal of 673270909 is 909072376.

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 673270909 - 2³ = 673270901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673270901) 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 7 ways as a sum of consecutive naturals, for example, 411222 + ... + 412855.

It is an arithmetic number, because the mean of its divisors is an integer number (90648580).

Almost surely, 2^673270909 is an apocalyptic number.

It is an amenable number.

673270909 is a deficient number, since it is larger than the sum of its proper divisors (51917731).

673270909 is a wasteful number, since it uses less digits than its factorization.

673270909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824139.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 673270909 is about 25947.4644040608. The cubic root of 673270909 is about 876.4556598350.

The spelling of 673270909 in words is "six hundred seventy-three million, two hundred seventy thousand, nine hundred nine".