6873129 has 12 divisors (see below), whose sum is σ = 10031476. Its totient is φ = 4534272.

The previous prime is 6873121. The next prime is 6873131. The reversal of 6873129 is 9213786.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 5546025 = 1152^2 + 2355^2 .

It is not a de Polignac number, because 6873129 - 2³ = 6873121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6873093 and 6873102.

It is not an unprimeable number, because it can be changed into a prime (6873121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3064 + ... + 4809.

Almost surely, 2^6873129 is an apocalyptic number.

It is an amenable number.

6873129 is a deficient number, since it is larger than the sum of its proper divisors (3158347).

6873129 is a wasteful number, since it uses less digits than its factorization.

6873129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976 (or 7973 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6873129 is about 2621.6653104468. The cubic root of 6873129 is about 190.1303722026.

The spelling of 6873129 in words is "six million, eight hundred seventy-three thousand, one hundred twenty-nine".