7743020648 has 128 divisors (see below), whose sum is σ = 16831152000. Its totient is φ = 3306885120.

The previous prime is 7743020647. The next prime is 7743020693. The reversal of 7743020648 is 8460203477.

It is not an unprimeable number, because it can be changed into a prime (7743020641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16580111 + ... + 16580577.

It is an arithmetic number, because the mean of its divisors is an integer number (131493375).

Almost surely, 2^7743020648 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 7743020648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8415576000).

7743020648 is an abundant number, since it is smaller than the sum of its proper divisors (9088131352).

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

7743020648 is a wasteful number, since it uses less digits than its factorization.

7743020648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 7743020648 is about 87994.4353240590. The cubic root of 7743020648 is about 1978.3515722574.

The spelling of 7743020648 in words is "seven billion, seven hundred forty-three million, twenty thousand, six hundred forty-eight".