2728751 has 2 divisors, whose sum is σ = 2728752. Its totient is φ = 2728750.

The previous prime is 2728741. The next prime is 2728753. The reversal of 2728751 is 1578272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2728751 - 2¹⁰ = 2727727 is a prime.

Together with 2728753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364375 + 1364376.

It is an arithmetic number, because the mean of its divisors is an integer number (1364376).

2^2728751 is an apocalyptic number.

2728751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728751 is an equidigital number, since it uses as much as digits as its factorization.

2728751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 32.

The square root of 2728751 is about 1651.8931563512. The cubic root of 2728751 is about 139.7401813799.

The spelling of 2728751 in words is "two million, seven hundred twenty-eight thousand, seven hundred fifty-one".