5726739 has 8 divisors (see below), whose sum is σ = 8084880. Its totient is φ = 3593216.

The previous prime is 5726729. The next prime is 5726761. The reversal of 5726739 is 9376275.

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

It is a cyclic number.

It is not a de Polignac number, because 5726739 - 2¹⁵ = 5693971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5726697 and 5726706.

It is not an unprimeable number, because it can be changed into a prime (5726729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56094 + ... + 56195.

It is an arithmetic number, because the mean of its divisors is an integer number (1010610).

Almost surely, 2^5726739 is an apocalyptic number.

5726739 is a deficient number, since it is larger than the sum of its proper divisors (2358141).

5726739 is a wasteful number, since it uses less digits than its factorization.

5726739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112309.

The product of its digits is 79380, while the sum is 39.

The square root of 5726739 is about 2393.0605926303. The cubic root of 5726739 is about 178.9104865424.

It can be divided in two parts, 57 and 26739, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 5726739 in words is "five million, seven hundred twenty-six thousand, seven hundred thirty-nine".