2671729 has 2 divisors, whose sum is σ = 2671730. Its totient is φ = 2671728.

The previous prime is 2671693. The next prime is 2671751. The reversal of 2671729 is 9271762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 63504 = 1615^2 + 252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2671694 and 2671703.

It is not a weakly prime, because it can be changed into another prime (2671829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335864 + 1335865.

It is an arithmetic number, because the mean of its divisors is an integer number (1335865).

2^2671729 is an apocalyptic number.

It is an amenable number.

2671729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671729 is an equidigital number, since it uses as much as digits as its factorization.

2671729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 2671729 is about 1634.5424436215. The cubic root of 2671729 is about 138.7599500480.

The spelling of 2671729 in words is "two million, six hundred seventy-one thousand, seven hundred twenty-nine".