7028081312 has 48 divisors (see below), whose sum is σ = 16049234880. Its totient is φ = 2967072768.

The previous prime is 7028081309. The next prime is 7028081327. The reversal of 7028081312 is 2131808207.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219137 + ... + 249152.

It is an arithmetic number, because the mean of its divisors is an integer number (334359060).

Almost surely, 2^7028081312 is an apocalyptic number.

It is an amenable number.

7028081312 is an abundant number, since it is smaller than the sum of its proper divisors (9021153568).

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

7028081312 is a wasteful number, since it uses less digits than its factorization.

7028081312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468373 (or 468365 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 7028081312 is about 83833.6526223211. The cubic root of 7028081312 is about 1915.4857516084.

Adding to 7028081312 its reverse (2131808207), we get a palindrome (9159889519).

The spelling of 7028081312 in words is "seven billion, twenty-eight million, eighty-one thousand, three hundred twelve".