5448721 has 4 divisors (see below), whose sum is σ = 5769252. Its totient is φ = 5128192.

The previous prime is 5448719. The next prime is 5448733. The reversal of 5448721 is 1278445.

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 2772225 + 2676496 = 1665^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448721 - 2¹ = 5448719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5448791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160240 + ... + 160273.

It is an arithmetic number, because the mean of its divisors is an integer number (1442313).

Almost surely, 2^5448721 is an apocalyptic number.

It is an amenable number.

5448721 is a deficient number, since it is larger than the sum of its proper divisors (320531).

5448721 is a wasteful number, since it uses less digits than its factorization.

5448721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320530.

The product of its digits is 8960, while the sum is 31.

The square root of 5448721 is about 2334.2495582092. The cubic root of 5448721 is about 175.9671189435.

The spelling of 5448721 in words is "five million, four hundred forty-eight thousand, seven hundred twenty-one".