7112772018 has 96 divisors (see below), whose sum is σ = 18738008640. Its totient is φ = 1921812480.

The previous prime is 7112771969. The next prime is 7112772049. The reversal of 7112772018 is 8102772117.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8346 + ... + 119562.

It is an arithmetic number, because the mean of its divisors is an integer number (195187590).

Almost surely, 2^7112772018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7112772018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9369004320).

7112772018 is an abundant number, since it is smaller than the sum of its proper divisors (11625236622).

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

7112772018 is a wasteful number, since it uses less digits than its factorization.

7112772018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111272 (or 111269 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

The square root of 7112772018 is about 84337.2516625957. The cubic root of 7112772018 is about 1923.1491305624.

Subtracting 7112772018 from its reverse (8102772117), we obtain a palindrome (990000099).

The spelling of 7112772018 in words is "seven billion, one hundred twelve million, seven hundred seventy-two thousand, eighteen".