7288330472 has 8 divisors (see below), whose sum is σ = 13665619650. Its totient is φ = 3644165232.

The previous prime is 7288330471. The next prime is 7288330487. The reversal of 7288330472 is 2740338827.

It can be written as a sum of positive squares in only one way, i.e., 6547075396 + 741255076 = 80914^2 + 27226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7288330472² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7288330471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455520647 + ... + 455520662.

Almost surely, 2^7288330472 is an apocalyptic number.

It is an amenable number.

7288330472 is a deficient number, since it is larger than the sum of its proper divisors (6377289178).

7288330472 is a wasteful number, since it uses less digits than its factorization.

7288330472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911041315 (or 911041311 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 7288330472 is about 85371.7193923140. The cubic root of 7288330472 is about 1938.8431896025.

The spelling of 7288330472 in words is "seven billion, two hundred eighty-eight million, three hundred thirty thousand, four hundred seventy-two".