2727149728 has 12 divisors (see below), whose sum is σ = 5369076090. Its totient is φ = 1363574848.

The previous prime is 2727149717. The next prime is 2727149729. The reversal of 2727149728 is 8279417272.

It can be written as a sum of positive squares in only one way, i.e., 2726092944 + 1056784 = 52212^2 + 1028^2 .

It is not an unprimeable number, because it can be changed into a prime (2727149729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42611683 + ... + 42611746.

Almost surely, 2^2727149728 is an apocalyptic number.

It is an amenable number.

2727149728 is a deficient number, since it is larger than the sum of its proper divisors (2641926362).

2727149728 is an equidigital number, since it uses as much as digits as its factorization.

2727149728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85223439 (or 85223431 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The square root of 2727149728 is about 52222.1191450519. The cubic root of 2727149728 is about 1397.1284215365.

The spelling of 2727149728 in words is "two billion, seven hundred twenty-seven million, one hundred forty-nine thousand, seven hundred twenty-eight".