4720424 has 32 divisors (see below), whose sum is σ = 9541800. Its totient is φ = 2181120.

The previous prime is 4720403. The next prime is 4720427. The reversal of 4720424 is 4240274.

It can be written as a sum of positive squares in 4 ways, for example, as 2617924 + 2102500 = 1618^2 + 1450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4720424.

It is not an unprimeable number, because it can be changed into a prime (4720427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8012 + ... + 8580.

Almost surely, 2^4720424 is an apocalyptic number.

It is an amenable number.

4720424 is an abundant number, since it is smaller than the sum of its proper divisors (4821376).

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

4720424 is a wasteful number, since it uses less digits than its factorization.

4720424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4720424 is about 2172.6536769582. The cubic root of 4720424 is about 167.7491532270.

Adding to 4720424 its reverse (4240274), we get a palindrome (8960698).

The spelling of 4720424 in words is "four million, seven hundred twenty thousand, four hundred twenty-four".