2728507 has 2 divisors, whose sum is σ = 2728508. Its totient is φ = 2728506.

The previous prime is 2728499. The next prime is 2728519. The reversal of 2728507 is 7058272.

2728507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2728507 - 2³ = 2728499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2728547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364253 + 1364254.

It is an arithmetic number, because the mean of its divisors is an integer number (1364254).

2^2728507 is an apocalyptic number.

2728507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728507 is an equidigital number, since it uses as much as digits as its factorization.

2728507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2728507 is about 1651.8193000447. The cubic root of 2728507 is about 139.7360161506.

The spelling of 2728507 in words is "two million, seven hundred twenty-eight thousand, five hundred seven".