7741745628136 has 128 divisors (see below), whose sum is σ = 16402214062080. Its totient is φ = 3401379910656.

The previous prime is 7741745628131. The next prime is 7741745628143. The reversal of 7741745628136 is 6318265471477.

It is not an unprimeable number, because it can be changed into a prime (7741745628131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691406890 + ... + 691418086.

It is an arithmetic number, because the mean of its divisors is an integer number (128142297360).

Almost surely, 2^{7741745628136} 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 7741745628136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8201107031040).

7741745628136 is an abundant number, since it is smaller than the sum of its proper divisors (8660468433944).

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

7741745628136 is a wasteful number, since it uses less digits than its factorization.

7741745628136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123 (or 15119 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 61.

The spelling of 7741745628136 in words is "seven trillion, seven hundred forty-one billion, seven hundred forty-five million, six hundred twenty-eight thousand, one hundred thirty-six".