5721726 has 8 divisors (see below), whose sum is σ = 11443464. Its totient is φ = 1907240.

The previous prime is 5721719. The next prime is 5721743. The reversal of 5721726 is 6271275.

It is a sphenic number, since it is the product of 3 distinct primes.

5721726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5721693 and 5721702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476805 + ... + 476816.

It is an arithmetic number, because the mean of its divisors is an integer number (1430433).

Almost surely, 2^5721726 is an apocalyptic number.

5721726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5721726 is a wasteful number, since it uses less digits than its factorization.

5721726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953626.

The product of its digits is 5880, while the sum is 30.

The square root of 5721726 is about 2392.0129598311. The cubic root of 5721726 is about 178.8582671732.

The spelling of 5721726 in words is "five million, seven hundred twenty-one thousand, seven hundred twenty-six".