673837 has 2 divisors, whose sum is σ = 673838. Its totient is φ = 673836.

The previous prime is 673817. The next prime is 673879. The reversal of 673837 is 738376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391876 + 281961 = 626^2 + 531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336918 + 336919.

It is an arithmetic number, because the mean of its divisors is an integer number (336919).

2⁶⁷³⁸³⁷ is an apocalyptic number.

It is an amenable number.

673837 is a deficient number, since it is larger than the sum of its proper divisors (1).

673837 is an equidigital number, since it uses as much as digits as its factorization.

673837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 673837 is about 820.8757518650. The cubic root of 673837 is about 87.6701234419.

The spelling of 673837 in words is "six hundred seventy-three thousand, eight hundred thirty-seven".