673494559 has 6 divisors (see below), whose sum is σ = 715442624. Its totient is φ = 633876960.

The previous prime is 673494557. The next prime is 673494583. The reversal of 673494559 is 955494376.

It is a happy number.

It is not a de Polignac number, because 673494559 - 2¹ = 673494557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673494553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1164927 + ... + 1165504.

Almost surely, 2^673494559 is an apocalyptic number.

673494559 is a deficient number, since it is larger than the sum of its proper divisors (41948065).

673494559 is a wasteful number, since it uses less digits than its factorization.

673494559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330465 (or 2330448 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The square root of 673494559 is about 25951.7737158754. The cubic root of 673494559 is about 876.5526973498.

The spelling of 673494559 in words is "six hundred seventy-three million, four hundred ninety-four thousand, five hundred fifty-nine".