673750 has 60 divisors (see below), whose sum is σ = 1602612. Its totient is φ = 210000.

The previous prime is 673747. The next prime is 673769. The reversal of 673750 is 57376.

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 61245 + ... + 61255.

2⁶⁷³⁷⁵⁰ is an apocalyptic number.

673750 is an abundant number, since it is smaller than the sum of its proper divisors (928862).

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

673750 is a wasteful number, since it uses less digits than its factorization.

673750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 673750 is about 820.8227579691. The cubic root of 673750 is about 87.6663502103. Note that the first 3 decimals are identical.

The spelling of 673750 in words is "six hundred seventy-three thousand, seven hundred fifty".