7643227072 has 112 divisors (see below), whose sum is σ = 17116137472. Its totient is φ = 3362135040.

The previous prime is 7643227061. The next prime is 7643227073. The reversal of 7643227072 is 2707223467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7643227073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725853 + ... + 1730275.

It is an arithmetic number, because the mean of its divisors is an integer number (152822656).

Almost surely, 2^7643227072 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 7643227072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8558068736).

7643227072 is an abundant number, since it is smaller than the sum of its proper divisors (9472910400).

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

7643227072 is a wasteful number, since it uses less digits than its factorization.

7643227072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 7643227072 is about 87425.5515967729. The cubic root of 7643227072 is about 1969.8156674305.

The spelling of 7643227072 in words is "seven billion, six hundred forty-three million, two hundred twenty-seven thousand, seventy-two".