673485287 has 8 divisors (see below), whose sum is σ = 707900256. Its totient is φ = 639498112.

The previous prime is 673485283. The next prime is 673485289. The reversal of 673485287 is 782584376.

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 673485287 - 2² = 673485283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673485283) 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, 103718 + ... + 110019.

It is an arithmetic number, because the mean of its divisors is an integer number (88487532).

Almost surely, 2^673485287 is an apocalyptic number.

673485287 is a deficient number, since it is larger than the sum of its proper divisors (34414969).

673485287 is a wasteful number, since it uses less digits than its factorization.

673485287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213897.

The product of its digits is 2257920, while the sum is 50.

The square root of 673485287 is about 25951.5950762183. The cubic root of 673485287 is about 876.5486748309.

The spelling of 673485287 in words is "six hundred seventy-three million, four hundred eighty-five thousand, two hundred eighty-seven".