5726720 has 40 divisors (see below), whose sum is σ = 13736844. Its totient is φ = 2289664.

The previous prime is 5726713. The next prime is 5726729. The reversal of 5726720 is 276275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5683456 + 43264 = 2384^2 + 208^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5726729) 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, 1442 + ... + 3678.

Almost surely, 2^5726720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5726720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6868422).

5726720 is an abundant number, since it is smaller than the sum of its proper divisors (8010124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5726720 is an equidigital number, since it uses as much as digits as its factorization.

5726720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 5726720 is about 2393.0566228153. The cubic root of 5726720 is about 178.9102886810.

It can be divided in two parts, 5726 and 720, that added together give a palindrome (6446).

The spelling of 5726720 in words is "five million, seven hundred twenty-six thousand, seven hundred twenty".