673803555 has 16 divisors (see below), whose sum is σ = 1134827520. Its totient is φ = 340447968.

The previous prime is 673803539. The next prime is 673803563. The reversal of 673803555 is 555308376.

It is not a de Polignac number, because 673803555 - 2⁴ = 673803539 is a prime.

It is a super-2 number, since 2×673803555² = 908022461461276050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1181827 + ... + 1182396.

It is an arithmetic number, because the mean of its divisors is an integer number (70926720).

Almost surely, 2^673803555 is an apocalyptic number.

673803555 is a deficient number, since it is larger than the sum of its proper divisors (461023965).

673803555 is a wasteful number, since it uses less digits than its factorization.

673803555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364250.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 673803555 is about 25957.7263064391. The cubic root of 673803555 is about 876.6867295467.

The spelling of 673803555 in words is "six hundred seventy-three million, eight hundred three thousand, five hundred fifty-five".