5708729 has 4 divisors (see below), whose sum is σ = 6147876. Its totient is φ = 5269584.

The previous prime is 5708711. The next prime is 5708779. The reversal of 5708729 is 9278075.

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 1567504 + 4141225 = 1252^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 5708729 - 2⁸ = 5708473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5708692 and 5708701.

It is not an unprimeable number, because it can be changed into a prime (5708779) 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, 219554 + ... + 219579.

It is an arithmetic number, because the mean of its divisors is an integer number (1536969).

Almost surely, 2^5708729 is an apocalyptic number.

It is an amenable number.

5708729 is a deficient number, since it is larger than the sum of its proper divisors (439147).

5708729 is a wasteful number, since it uses less digits than its factorization.

5708729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439146.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5708729 is about 2389.2946657957. The cubic root of 5708729 is about 178.7227379487.

The spelling of 5708729 in words is "five million, seven hundred eight thousand, seven hundred twenty-nine".