7413240 has 64 divisors (see below), whose sum is σ = 22435200. Its totient is φ = 1959552.

The previous prime is 7413239. The next prime is 7413257. The reversal of 7413240 is 423147.

It is a super-2 number, since 2×7413240² = 109912254595200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19371 + ... + 19749.

It is an arithmetic number, because the mean of its divisors is an integer number (350550).

Almost surely, 2^7413240 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 7413240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11217600).

7413240 is an abundant number, since it is smaller than the sum of its proper divisors (15021960).

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

7413240 is a wasteful number, since it uses less digits than its factorization.

7413240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7413240 is about 2722.7265745939. The cubic root of 7413240 is about 194.9856662705.

Adding to 7413240 its reverse (423147), we get a palindrome (7836387).

The spelling of 7413240 in words is "seven million, four hundred thirteen thousand, two hundred forty".