7028005900 has 72 divisors (see below), whose sum is σ = 15564003840. Its totient is φ = 2754024000.

The previous prime is 7028005891. The next prime is 7028005913. The reversal of 7028005900 is 95008207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031505 + ... + 1038295.

It is an arithmetic number, because the mean of its divisors is an integer number (216166720).

Almost surely, 2^7028005900 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 7028005900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7782001920).

7028005900 is an abundant number, since it is smaller than the sum of its proper divisors (8535997940).

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

7028005900 is a wasteful number, since it uses less digits than its factorization.

7028005900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015 (or 7008 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 7028005900 is about 83833.2028494677. The cubic root of 7028005900 is about 1915.4789004674.

The spelling of 7028005900 in words is "seven billion, twenty-eight million, five thousand, nine hundred".