6144729 has 4 divisors (see below), whose sum is σ = 8192976. Its totient is φ = 4096484.

The previous prime is 6144709. The next prime is 6144751. The reversal of 6144729 is 9274416.

It is a happy number.

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 6144729 - 2²⁰ = 5096153 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6144729.

It is not an unprimeable number, because it can be changed into a prime (6144709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024119 + ... + 1024124.

It is an arithmetic number, because the mean of its divisors is an integer number (2048244).

Almost surely, 2^6144729 is an apocalyptic number.

It is an amenable number.

6144729 is a deficient number, since it is larger than the sum of its proper divisors (2048247).

6144729 is a wasteful number, since it uses less digits than its factorization.

6144729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048246.

The product of its digits is 12096, while the sum is 33.

The square root of 6144729 is about 2478.8563895474. The cubic root of 6144729 is about 183.1615224169.

The spelling of 6144729 in words is "six million, one hundred forty-four thousand, seven hundred twenty-nine".