7076521216 has 36 divisors (see below), whose sum is σ = 14176536052. Its totient is φ = 3525451776.

The previous prime is 7076521213. The next prime is 7076521271. The reversal of 7076521216 is 6121256707.

It can be written as a sum of positive squares in 2 ways, for example, as 2050278400 + 5026242816 = 45280^2 + 70896^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7076521211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21016 + ... + 120808.

Almost surely, 2^7076521216 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 7076521216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7088268026).

7076521216 is an abundant number, since it is smaller than the sum of its proper divisors (7100014836).

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

7076521216 is an equidigital number, since it uses as much as digits as its factorization.

7076521216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100086 (or 100072 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 7076521216 is about 84122.0614107857. The cubic root of 7076521216 is about 1919.8764040810.

The spelling of 7076521216 in words is "seven billion, seventy-six million, five hundred twenty-one thousand, two hundred sixteen".