5731739 has 4 divisors (see below), whose sum is σ = 6172656. Its totient is φ = 5290824.

The previous prime is 5731729. The next prime is 5731757. The reversal of 5731739 is 9371375.

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

It is a cyclic number.

It is not a de Polignac number, because 5731739 - 2⁴ = 5731723 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5731699 and 5731708.

It is not an unprimeable number, because it can be changed into a prime (5731709) 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, 220439 + ... + 220464.

It is an arithmetic number, because the mean of its divisors is an integer number (1543164).

Almost surely, 2^5731739 is an apocalyptic number.

5731739 is a deficient number, since it is larger than the sum of its proper divisors (440917).

5731739 is a wasteful number, since it uses less digits than its factorization.

5731739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440916.

The product of its digits is 19845, while the sum is 35.

The square root of 5731739 is about 2394.1050519975. The cubic root of 5731739 is about 178.9625401466.

The spelling of 5731739 in words is "five million, seven hundred thirty-one thousand, seven hundred thirty-nine".