673880 has 32 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 253440.

The previous prime is 673879. The next prime is 673891. The reversal of 673880 is 88376.

It is a super-2 number, since 2×673880² = 908228508800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁶⁷³⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520).

673880 is an abundant number, since it is smaller than the sum of its proper divisors (933160).

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

673880 is a wasteful number, since it uses less digits than its factorization.

673880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 673880 is about 820.9019429871. The cubic root of 673880 is about 87.6719882524.

The spelling of 673880 in words is "six hundred seventy-three thousand, eight hundred eighty".