7738728192 has 216 divisors, whose sum is σ = 24681986784. Its totient is φ = 2316460032.

The previous prime is 7738728163. The next prime is 7738728197. The reversal of 7738728192 is 2918278377.

7738728192 is a `hidden beast` number, since 77 + 387 + 2 + 8 + 192 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7738728197) 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, 1104733 + ... + 1111715.

Almost surely, 2^7738728192 is an apocalyptic number.

7738728192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7738728192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12340993392).

7738728192 is an abundant number, since it is smaller than the sum of its proper divisors (16943258592).

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

7738728192 is a wasteful number, since it uses less digits than its factorization.

7738728192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 7038 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 7738728192 is about 87970.0414459377. The cubic root of 7738728192 is about 1977.9859287028.

The spelling of 7738728192 in words is "seven billion, seven hundred thirty-eight million, seven hundred twenty-eight thousand, one hundred ninety-two".