2728774723 has 2 divisors, whose sum is σ = 2728774724. Its totient is φ = 2728774722.

The previous prime is 2728774667. The next prime is 2728774733. The reversal of 2728774723 is 3274778272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2728774723 - 2²⁹ = 2191903811 is a prime.

It is a super-2 number, since 2×2728774723² = 14892422977767453458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2728774733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364387361 + 1364387362.

It is an arithmetic number, because the mean of its divisors is an integer number (1364387362).

Almost surely, 2^2728774723 is an apocalyptic number.

2728774723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728774723 is an equidigital number, since it uses as much as digits as its factorization.

2728774723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843968, while the sum is 49.

The square root of 2728774723 is about 52237.6753215531. The cubic root of 2728774723 is about 1397.4058633279.

The spelling of 2728774723 in words is "two billion, seven hundred twenty-eight million, seven hundred seventy-four thousand, seven hundred twenty-three".