6304729 has 4 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 6215860.

The previous prime is 6304699. The next prime is 6304741. The reversal of 6304729 is 9274036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6304729 - 2⁷ = 6304601 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 3⁵ + 0 + 4² + 7⁸ + 2¹³ + 9⁶ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6304729.

It is not an unprimeable number, because it can be changed into a prime (6304769) 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 3 ways as a sum of consecutive naturals, for example, 44329 + ... + 44470.

It is an arithmetic number, because the mean of its divisors is an integer number (1598400).

Almost surely, 2^6304729 is an apocalyptic number.

It is an amenable number.

6304729 is a deficient number, since it is larger than the sum of its proper divisors (88871).

6304729 is an equidigital number, since it uses as much as digits as its factorization.

6304729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88870.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6304729 is about 2510.9219422356. The cubic root of 6304729 is about 184.7376754437.

The spelling of 6304729 in words is "six million, three hundred four thousand, seven hundred twenty-nine".