5449729 has 4 divisors (see below), whose sum is σ = 5480020. Its totient is φ = 5419440.

The previous prime is 5449727. The next prime is 5449739. The reversal of 5449729 is 9279445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 719104 + 4730625 = 848^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5449729 - 2¹ = 5449727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5449691 and 5449700.

It is not an unprimeable number, because it can be changed into a prime (5449721) 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 3 ways as a sum of consecutive naturals, for example, 14874 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (1370005).

Almost surely, 2^5449729 is an apocalyptic number.

It is an amenable number.

5449729 is a deficient number, since it is larger than the sum of its proper divisors (30291).

5449729 is a wasteful number, since it uses less digits than its factorization.

5449729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290.

The product of its digits is 90720, while the sum is 40.

The square root of 5449729 is about 2334.4654634413. The cubic root of 5449729 is about 175.9779694360.

The spelling of 5449729 in words is "five million, four hundred forty-nine thousand, seven hundred twenty-nine".