2728134746 has 4 divisors (see below), whose sum is σ = 4092202122. Its totient is φ = 1364067372.

The previous prime is 2728134737. The next prime is 2728134751. The reversal of 2728134746 is 6474318272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2725988521 + 2146225 = 52211^2 + 1465^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2728134697 and 2728134706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682033685 + ... + 682033688.

Almost surely, 2^2728134746 is an apocalyptic number.

2728134746 is a deficient number, since it is larger than the sum of its proper divisors (1364067376).

2728134746 is a wasteful number, since it uses less digits than its factorization.

2728134746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364067375.

The product of its digits is 451584, while the sum is 44.

The square root of 2728134746 is about 52231.5493356266. The cubic root of 2728134746 is about 1397.2966106870.

The spelling of 2728134746 in words is "two billion, seven hundred twenty-eight million, one hundred thirty-four thousand, seven hundred forty-six".