2729744 has 10 divisors (see below), whose sum is σ = 5288910. Its totient is φ = 1364864.

The previous prime is 2729729. The next prime is 2729747. The reversal of 2729744 is 4479272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 169744 = 1600^2 + 412^2 .

It is not an unprimeable number, because it can be changed into a prime (2729747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85289 + ... + 85320.

It is an arithmetic number, because the mean of its divisors is an integer number (528891).

2^2729744 is an apocalyptic number.

It is an amenable number.

2729744 is a deficient number, since it is larger than the sum of its proper divisors (2559166).

2729744 is a wasteful number, since it uses less digits than its factorization.

2729744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170617 (or 170611 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 2729744 is about 1652.1936932454. The cubic root of 2729744 is about 139.7571299364.

The spelling of 2729744 in words is "two million, seven hundred twenty-nine thousand, seven hundred forty-four".