7324020 has 144 divisors (see below), whose sum is σ = 25316928. Its totient is φ = 1762560.

The previous prime is 7324013. The next prime is 7324027. The reversal of 7324020 is 204237.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7324013) and next prime (7324027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7323984 and 7324002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7324027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53392 + ... + 53528.

It is an arithmetic number, because the mean of its divisors is an integer number (175812).

Almost surely, 2^7324020 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 7324020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12658464).

7324020 is an abundant number, since it is smaller than the sum of its proper divisors (17992908).

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

7324020 is a wasteful number, since it uses less digits than its factorization.

7324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7324020 is about 2706.2926671001. The cubic root of 7324020 is about 194.2002749841.

Adding to 7324020 its reverse (204237), we get a palindrome (7528257).

The spelling of 7324020 in words is "seven million, three hundred twenty-four thousand, twenty".