2647873 has 2 divisors, whose sum is σ = 2647874. Its totient is φ = 2647872.

The previous prime is 2647847. The next prime is 2647889. The reversal of 2647873 is 3787462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 110224 = 1593^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2647873 - 2⁹ = 2647361 is a prime.

It is a super-2 number, since 2×2647873² = 14022462848258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 6² + 4¹⁰ + 7⁴ + 8 + 7⁴ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2647373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323936 + 1323937.

It is an arithmetic number, because the mean of its divisors is an integer number (1323937).

2^2647873 is an apocalyptic number.

It is an amenable number.

2647873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647873 is an equidigital number, since it uses as much as digits as its factorization.

2647873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 2647873 is about 1627.2286256086. The cubic root of 2647873 is about 138.3457165412.

The spelling of 2647873 in words is "two million, six hundred forty-seven thousand, eight hundred seventy-three".