7288475730 has 64 divisors (see below), whose sum is σ = 17852607360. Its totient is φ = 1903689216.

The previous prime is 7288475723. The next prime is 7288475731. The reversal of 7288475730 is 375748827.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7288475731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018806 + ... + 1025934.

It is an arithmetic number, because the mean of its divisors is an integer number (278946990).

Almost surely, 2^7288475730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7288475730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8926303680).

7288475730 is an abundant number, since it is smaller than the sum of its proper divisors (10564131630).

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

7288475730 is a wasteful number, since it uses less digits than its factorization.

7288475730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The square root of 7288475730 is about 85372.5701264756. The cubic root of 7288475730 is about 1938.8560700381.

The spelling of 7288475730 in words is "seven billion, two hundred eighty-eight million, four hundred seventy-five thousand, seven hundred thirty".