7420500 has 144 divisors (see below), whose sum is σ = 25041744. Its totient is φ = 1843200.

The previous prime is 7420499. The next prime is 7420519. The reversal of 7420500 is 50247.

7420500 = T₂₆₀ + T₂₆₁ + ... + T₃₉₅.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1602756 + 5817744 = 1266^2 + 2412^2 .

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 76452 + ... + 76548.

It is an arithmetic number, because the mean of its divisors is an integer number (173901).

Almost surely, 2^7420500 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 7420500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12520872).

7420500 is an abundant number, since it is smaller than the sum of its proper divisors (17621244).

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

7420500 is a wasteful number, since it uses less digits than its factorization.

7420500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7420500 is about 2724.0594707165. The cubic root of 7420500 is about 195.0492972010.

Adding to 7420500 its reverse (50247), we get a palindrome (7470747).

The spelling of 7420500 in words is "seven million, four hundred twenty thousand, five hundred".