6040729 has 8 divisors (see below), whose sum is σ = 6617160. Its totient is φ = 5488896.

The previous prime is 6040721. The next prime is 6040733. The reversal of 6040729 is 9270406.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 4410000 = 1277^2 + 2100^2 .

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 6040729 - 2³ = 6040721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6040697 and 6040706.

It is not an unprimeable number, because it can be changed into a prime (6040721) 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, 5634 + ... + 6619.

It is an arithmetic number, because the mean of its divisors is an integer number (827145).

Almost surely, 2^6040729 is an apocalyptic number.

It is an amenable number.

6040729 is a deficient number, since it is larger than the sum of its proper divisors (576431).

6040729 is a wasteful number, since it uses less digits than its factorization.

6040729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12299.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6040729 is about 2457.7894539606. The cubic root of 6040729 is about 182.1222963408.

The spelling of 6040729 in words is "six million, forty thousand, seven hundred twenty-nine".