2728753 has 2 divisors, whose sum is σ = 2728754. Its totient is φ = 2728752.

The previous prime is 2728751. The next prime is 2728763. The reversal of 2728753 is 3578272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 954529 = 1332^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728753 - 2¹ = 2728751 is a prime.

Together with 2728751, it forms a pair of twin primes.

2728753 is a lucky number.

It is equal to p₁₉₈₅₇₄ and since 2728753 and 198574 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2728751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364376 + 1364377.

It is an arithmetic number, because the mean of its divisors is an integer number (1364377).

2^2728753 is an apocalyptic number.

It is an amenable number.

2728753 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728753 is an equidigital number, since it uses as much as digits as its factorization.

2728753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 2728753 is about 1651.8937617171. The cubic root of 2728753 is about 139.7402155201.

It can be divided in two parts, 2728 and 753, that added together give a square (3481 = 59²).

The spelling of 2728753 in words is "two million, seven hundred twenty-eight thousand, seven hundred fifty-three".