7047299728 has 160 divisors (see below), whose sum is σ = 17281751040. Its totient is φ = 2714342400.

The previous prime is 7047299717. The next prime is 7047299729. The reversal of 7047299728 is 8279927407.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7047299729) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6704803 + ... + 6705853.

It is an arithmetic number, because the mean of its divisors is an integer number (108010944).

Almost surely, 2^7047299728 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 7047299728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640875520).

7047299728 is an abundant number, since it is smaller than the sum of its proper divisors (10234451312).

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

7047299728 is a wasteful number, since it uses less digits than its factorization.

7047299728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 7047299728 is about 83948.1966929606. The cubic root of 7047299728 is about 1917.2301394129.

The spelling of 7047299728 in words is "seven billion, forty-seven million, two hundred ninety-nine thousand, seven hundred twenty-eight".