7826708736 has 432 divisors, whose sum is σ = 28414608768. Its totient is φ = 2012774400.

The previous prime is 7826708731. The next prime is 7826708759. The reversal of 7826708736 is 6378076287.

It is a super-2 number, since 2×7826708736² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7826708731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27852916 + ... + 27853196.

Almost surely, 2^7826708736 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 7826708736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14207304384).

7826708736 is an abundant number, since it is smaller than the sum of its proper divisors (20587900032).

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

7826708736 is a wasteful number, since it uses less digits than its factorization.

7826708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 7826708736 is about 88468.6878844713. The cubic root of 7826708736 is about 1985.4535177638.

The spelling of 7826708736 in words is "seven billion, eight hundred twenty-six million, seven hundred eight thousand, seven hundred thirty-six".