7091865252 has 60 divisors (see below), whose sum is σ = 18633813660. Its totient is φ = 2351934144.

The previous prime is 7091865251. The next prime is 7091865259. The reversal of 7091865252 is 2525681907.

It can be written as a sum of positive squares in 2 ways, for example, as 6775594596 + 316270656 = 82314^2 + 17784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7091865198 and 7091865207.

It is not an unprimeable number, because it can be changed into a prime (7091865251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8274 + ... + 119382.

It is an arithmetic number, because the mean of its divisors is an integer number (310563561).

Almost surely, 2^7091865252 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 7091865252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9316906830).

7091865252 is an abundant number, since it is smaller than the sum of its proper divisors (11541948408).

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

7091865252 is a wasteful number, since it uses less digits than its factorization.

7091865252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111322 (or 111311 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 7091865252 is about 84213.2130487847. The cubic root of 7091865252 is about 1921.2630263878.

The spelling of 7091865252 in words is "seven billion, ninety-one million, eight hundred sixty-five thousand, two hundred fifty-two".