7028446320 has 720 divisors, whose sum is σ = 29036079072. Its totient is φ = 1517322240.

The previous prime is 7028446309. The next prime is 7028446343. The reversal of 7028446320 is 236448207.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62198584 + ... + 62198696.

Almost surely, 2^7028446320 is an apocalyptic number.

7028446320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7028446320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14518039536).

7028446320 is an abundant number, since it is smaller than the sum of its proper divisors (22007632752).

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

7028446320 is a wasteful number, since it uses less digits than its factorization.

7028446320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 7028446320 is about 83835.8295718483. The cubic root of 7028446320 is about 1915.5189117028.

The spelling of 7028446320 in words is "seven billion, twenty-eight million, four hundred forty-six thousand, three hundred twenty".