7829091072 has 576 divisors, whose sum is σ = 27290833920. Its totient is φ = 2207969280.

The previous prime is 7829091071. The next prime is 7829091077. The reversal of 7829091072 is 2701909287.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×7829091072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7829091071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211597038 + ... + 211597074.

It is an arithmetic number, because the mean of its divisors is an integer number (47379920).

Almost surely, 2^7829091072 is an apocalyptic number.

7829091072 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 7829091072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13645416960).

7829091072 is an abundant number, since it is smaller than the sum of its proper divisors (19461742848).

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

7829091072 is a wasteful number, since it uses less digits than its factorization.

7829091072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 7829091072 is about 88482.1511492572. The cubic root of 7829091072 is about 1985.6549450267.

The spelling of 7829091072 in words is "seven billion, eight hundred twenty-nine million, ninety-one thousand, seventy-two".