673870 has 16 divisors (see below), whose sum is σ = 1229760. Its totient is φ = 265824.

The previous prime is 673837. The next prime is 673879. The reversal of 673870 is 78376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2⁶⁷³⁸⁷⁰ is an apocalyptic number.

673870 is a deficient number, since it is larger than the sum of its proper divisors (555890).

673870 is a wasteful number, since it uses less digits than its factorization.

673870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 673870 is about 820.8958521031. The cubic root of 673870 is about 87.6715545826.

The spelling of 673870 in words is "six hundred seventy-three thousand, eight hundred seventy".