6429872 has 10 divisors (see below), whose sum is σ = 12457908. Its totient is φ = 3214928.

The previous prime is 6429869. The next prime is 6429877. The reversal of 6429872 is 2789246.

It is a super-4 number, since 4×6429872⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (6429877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200918 + ... + 200949.

Almost surely, 2^6429872 is an apocalyptic number.

It is an amenable number.

6429872 is a deficient number, since it is larger than the sum of its proper divisors (6028036).

6429872 is a wasteful number, since it uses less digits than its factorization.

6429872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401875 (or 401869 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 6429872 is about 2535.7192273594. The cubic root of 6429872 is about 185.9519666309.

The spelling of 6429872 in words is "six million, four hundred twenty-nine thousand, eight hundred seventy-two".