7421783296 has 72 divisors (see below), whose sum is σ = 15885313920. Its totient is φ = 3448233984.

The previous prime is 7421783261. The next prime is 7421783297. The reversal of 7421783296 is 6923871247.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421783297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333015 + ... + 354601.

It is an arithmetic number, because the mean of its divisors is an integer number (220629360).

Almost surely, 2^7421783296 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 7421783296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7942656960).

7421783296 is an abundant number, since it is smaller than the sum of its proper divisors (8463530624).

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

7421783296 is a wasteful number, since it uses less digits than its factorization.

7421783296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21699 (or 21685 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 7421783296 is about 86149.7724663275. The cubic root of 7421783296 is about 1950.6054044854.

The spelling of 7421783296 in words is "seven billion, four hundred twenty-one million, seven hundred eighty-three thousand, two hundred ninety-six".