6429724 has 24 divisors (see below), whose sum is σ = 12921440. Its totient is φ = 2742336.

The previous prime is 6429707. The next prime is 6429727. The reversal of 6429724 is 4279246.

It is a d-powerful number, because it can be written as 6² + 4⁴ + 2¹⁷ + 9⁴ + 7³ + 2²¹ + 4¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 6429724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7342 + ... + 8170.

Almost surely, 2^6429724 is an apocalyptic number.

It is an amenable number.

6429724 is an abundant number, since it is smaller than the sum of its proper divisors (6491716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6429724 is a wasteful number, since it uses less digits than its factorization.

6429724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 6429724 is about 2535.6900441497. The cubic root of 6429724 is about 185.9505398995.

The spelling of 6429724 in words is "six million, four hundred twenty-nine thousand, seven hundred twenty-four".