7420752 has 60 divisors (see below), whose sum is σ = 21496020. Its totient is φ = 2386944.

The previous prime is 7420741. The next prime is 7420753. The reversal of 7420752 is 2570247.

It can be written as a sum of positive squares in 2 ways, for example, as 3825936 + 3594816 = 1956^2 + 1896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420753) 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 11 ways as a sum of consecutive naturals, for example, 3288 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (358267).

Almost surely, 2^7420752 is an apocalyptic number.

7420752 is a gapful number since it is divisible by the number (72) 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 7420752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10748010).

7420752 is an abundant number, since it is smaller than the sum of its proper divisors (14075268).

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

7420752 is a wasteful number, since it uses less digits than its factorization.

7420752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7420752 is about 2724.1057248205. The cubic root of 7420752 is about 195.0515051325.

Adding to 7420752 its reverse (2570247), we get a palindrome (9990999).

The spelling of 7420752 in words is "seven million, four hundred twenty thousand, seven hundred fifty-two".