3724420 has 48 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 1240704.

The previous prime is 3724403. The next prime is 3724423. The reversal of 3724420 is 244273.

It is a d-powerful number, because it can be written as 3¹³ + 7² + 2¹⁵ + 4³ + 4³ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 3724391 and 3724400.

It is not an unprimeable number, because it can be changed into a prime (3724423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^3724420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3724420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

3724420 is an abundant number, since it is smaller than the sum of its proper divisors (5468540).

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

3724420 is a wasteful number, since it uses less digits than its factorization.

3724420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3724420 is about 1929.8756436620. The cubic root of 3724420 is about 155.0075611990.

Adding to 3724420 its reverse (244273), we get a palindrome (3968693).

The spelling of 3724420 in words is "three million, seven hundred twenty-four thousand, four hundred twenty".