4429720 has 32 divisors (see below), whose sum is σ = 10141200. Its totient is φ = 1740928.

The previous prime is 4429669. The next prime is 4429723. The reversal of 4429720 is 279244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429723) 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, 1422 + ... + 3298.

Almost surely, 2^4429720 is an apocalyptic number.

4429720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4429720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5070600).

4429720 is an abundant number, since it is smaller than the sum of its proper divisors (5711480).

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

4429720 is a wasteful number, since it uses less digits than its factorization.

4429720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4429720 is about 2104.6900009265. The cubic root of 4429720 is about 164.2323693938.

The spelling of 4429720 in words is "four million, four hundred twenty-nine thousand, seven hundred twenty".