7421312250 has 192 divisors, whose sum is σ = 22845079296. Its totient is φ = 1720752000.

The previous prime is 7421312207. The next prime is 7421312263. The reversal of 7421312250 is 522131247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 562732 + ... + 575768.

It is an arithmetic number, because the mean of its divisors is an integer number (118984788).

Almost surely, 2^7421312250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421312250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11422539648).

7421312250 is an abundant number, since it is smaller than the sum of its proper divisors (15423767046).

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

7421312250 is a wasteful number, since it uses less digits than its factorization.

7421312250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094 (or 13081 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 7421312250 is about 86147.0385445722. The cubic root of 7421312250 is about 1950.5641365819.

Adding to 7421312250 its reverse (522131247), we get a palindrome (7943443497).

The spelling of 7421312250 in words is "seven billion, four hundred twenty-one million, three hundred twelve thousand, two hundred fifty".