673552686 has 16 divisors (see below), whose sum is σ = 1390560768. Its totient is φ = 217275000.

The previous prime is 673552669. The next prime is 673552687. The reversal of 673552686 is 686255376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673552687) 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, 1810440 + ... + 1810811.

It is an arithmetic number, because the mean of its divisors is an integer number (86910048).

Almost surely, 2^673552686 is an apocalyptic number.

673552686 is an abundant number, since it is smaller than the sum of its proper divisors (717008082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673552686 is a wasteful number, since it uses less digits than its factorization.

673552686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621287.

The product of its digits is 1814400, while the sum is 48.

The square root of 673552686 is about 25952.8935958979. The cubic root of 673552686 is about 876.5779140410.

The spelling of 673552686 in words is "six hundred seventy-three million, five hundred fifty-two thousand, six hundred eighty-six".