7028321418 has 24 divisors (see below), whose sum is σ = 15258323808. Its totient is φ = 2338113192.

The previous prime is 7028321381. The next prime is 7028321501. The reversal of 7028321418 is 8141238207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379080 + ... + 397187.

It is an arithmetic number, because the mean of its divisors is an integer number (635763492).

Almost surely, 2^7028321418 is an apocalyptic number.

7028321418 is an abundant number, since it is smaller than the sum of its proper divisors (8230002390).

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

7028321418 is a wasteful number, since it uses less digits than its factorization.

7028321418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776778 (or 776775 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 7028321418 is about 83835.0846483738. The cubic root of 7028321418 is about 1915.5075647873.

The spelling of 7028321418 in words is "seven billion, twenty-eight million, three hundred twenty-one thousand, four hundred eighteen".