7215124832 has 48 divisors (see below), whose sum is σ = 14724990000. Its totient is φ = 3475960320.

The previous prime is 7215124831. The next prime is 7215124837. The reversal of 7215124832 is 2384215127.

It is a junction number, because it is equal to n+sod(n) for n = 7215124792 and 7215124801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215124831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455282 + ... + 470862.

It is an arithmetic number, because the mean of its divisors is an integer number (306770625).

Almost surely, 2^7215124832 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 7215124832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7362495000).

7215124832 is an abundant number, since it is smaller than the sum of its proper divisors (7509865168).

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

7215124832 is a wasteful number, since it uses less digits than its factorization.

7215124832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16119 (or 16111 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 7215124832 is about 84941.8909137300. The cubic root of 7215124832 is about 1932.3299406358.

Adding to 7215124832 its reverse (2384215127), we get a palindrome (9599339959).

The spelling of 7215124832 in words is "seven billion, two hundred fifteen million, one hundred twenty-four thousand, eight hundred thirty-two".