7420099600 has 135 divisors (see below), whose sum is σ = 18385874103. Its totient is φ = 2877765120.

The previous prime is 7420099549. The next prime is 7420099601. The reversal of 7420099600 is 69900247.

The square root of 7420099600 is 86140.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 40602384 + 7379497216 = 6372^2 + 85904^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7420099600.

It is not an unprimeable number, because it can be changed into a prime (7420099601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 101645164 + ... + 101645236.

Almost surely, 2^7420099600 is an apocalyptic number.

7420099600 is the 86140-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7420099600

7420099600 is an abundant number, since it is smaller than the sum of its proper divisors (10965774503).

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

7420099600 is an equidigital number, since it uses as much as digits as its factorization.

7420099600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The cubic root of 7420099600 is about 1950.4578894041.

Adding to 7420099600 its reverse (69900247), we get a palindrome (7489999847).

The spelling of 7420099600 in words is "seven billion, four hundred twenty million, ninety-nine thousand, six hundred".