673568898 has 16 divisors (see below), whose sum is σ = 1369971360. Its totient is φ = 220717376.

The previous prime is 673568851. The next prime is 673568927. The reversal of 673568898 is 898865376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951015 + ... + 951722.

It is an arithmetic number, because the mean of its divisors is an integer number (85623210).

Almost surely, 2^673568898 is an apocalyptic number.

673568898 is an abundant number, since it is smaller than the sum of its proper divisors (696402462).

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

673568898 is a wasteful number, since it uses less digits than its factorization.

673568898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902801.

The product of its digits is 17418240, while the sum is 60.

The square root of 673568898 is about 25953.2059291333. The cubic root of 673568898 is about 876.5849468821.

The spelling of 673568898 in words is "six hundred seventy-three million, five hundred sixty-eight thousand, eight hundred ninety-eight".