2754728 has 32 divisors (see below), whose sum is σ = 5394600. Its totient is φ = 1317888.

The previous prime is 2754721. The next prime is 2754743. The reversal of 2754728 is 8274572.

It can be written as a sum of positive squares in 4 ways, for example, as 2316484 + 438244 = 1522^2 + 662^2 .

It is not an unprimeable number, because it can be changed into a prime (2754721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30908 + ... + 30996.

2^2754728 is an apocalyptic number.

It is an amenable number.

2754728 is a deficient number, since it is larger than the sum of its proper divisors (2639872).

2754728 is a wasteful number, since it uses less digits than its factorization.

2754728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 217 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2754728 is about 1659.7373286156. The cubic root of 2754728 is about 140.1822117259.

The spelling of 2754728 in words is "two million, seven hundred fifty-four thousand, seven hundred twenty-eight".