2745724 has 12 divisors (see below), whose sum is σ = 4866400. Its totient is φ = 1355328.

The previous prime is 2745719. The next prime is 2745731. The reversal of 2745724 is 4275472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029 + ... + 4660.

2^2745724 is an apocalyptic number.

It is an amenable number.

2745724 is a deficient number, since it is larger than the sum of its proper divisors (2120676).

2745724 is a wasteful number, since it uses less digits than its factorization.

2745724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8770 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 2745724 is about 1657.0226311068. The cubic root of 2745724 is about 140.0293135897.

It can be divided in two parts, 274572 and 4, that added together give a square (274576 = 524²).

The spelling of 2745724 in words is "two million, seven hundred forty-five thousand, seven hundred twenty-four".