7749125384 has 96 divisors (see below), whose sum is σ = 19856793600. Its totient is φ = 2786878080.

The previous prime is 7749125369. The next prime is 7749125387. The reversal of 7749125384 is 4835219477.

It is not an unprimeable number, because it can be changed into a prime (7749125387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13064 + ... + 125175.

It is an arithmetic number, because the mean of its divisors is an integer number (206841600).

Almost surely, 2^7749125384 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 7749125384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9928396800).

7749125384 is an abundant number, since it is smaller than the sum of its proper divisors (12107668216).

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

7749125384 is a wasteful number, since it uses less digits than its factorization.

7749125384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138283 (or 138272 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 7749125384 is about 88029.1166830612. The cubic root of 7749125384 is about 1978.8713582691.

The spelling of 7749125384 in words is "seven billion, seven hundred forty-nine million, one hundred twenty-five thousand, three hundred eighty-four".