2728454274 has 128 divisors (see below), whose sum is σ = 7703592960. Its totient is φ = 696340800.

The previous prime is 2728454251. The next prime is 2728454279. The reversal of 2728454274 is 4724548272.

2728454274 is a `hidden beast` number, since 27 + 2 + 84 + 542 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2728454279) 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 in 63 ways as a sum of consecutive naturals, for example, 143379 + ... + 161289.

It is an arithmetic number, because the mean of its divisors is an integer number (60184320).

Almost surely, 2^2728454274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2728454274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3851796480).

2728454274 is an abundant number, since it is smaller than the sum of its proper divisors (4975138686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728454274 is a wasteful number, since it uses less digits than its factorization.

2728454274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17973 (or 17967 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 45.

The square root of 2728454274 is about 52234.6080103986. The cubic root of 2728454274 is about 1397.3511605294.

The spelling of 2728454274 in words is "two billion, seven hundred twenty-eight million, four hundred fifty-four thousand, two hundred seventy-four".