7516221072 has 40 divisors (see below), whose sum is σ = 19428161280. Its totient is φ = 2503954560.

The previous prime is 7516221071. The next prime is 7516221133. The reversal of 7516221072 is 2701226157.

It is not an unprimeable number, because it can be changed into a prime (7516221071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39922 + ... + 128942.

It is an arithmetic number, because the mean of its divisors is an integer number (485704032).

Almost surely, 2^7516221072 is an apocalyptic number.

It is an amenable number.

7516221072 is an abundant number, since it is smaller than the sum of its proper divisors (11911940208).

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

7516221072 is a wasteful number, since it uses less digits than its factorization.

7516221072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90791 (or 90785 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 7516221072 is about 86696.1421979087. The cubic root of 7516221072 is about 1958.8439899827.

The spelling of 7516221072 in words is "seven billion, five hundred sixteen million, two hundred twenty-one thousand, seventy-two".