7238297328 has 80 divisors (see below), whose sum is σ = 19170856320. Its totient is φ = 2352091392.

The previous prime is 7238297321. The next prime is 7238297347. The reversal of 7238297328 is 8237928327.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7238297321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158918 + ... + 1165146.

It is an arithmetic number, because the mean of its divisors is an integer number (239635704).

Almost surely, 2^7238297328 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 7238297328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9585428160).

7238297328 is an abundant number, since it is smaller than the sum of its proper divisors (11932558992).

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

7238297328 is a wasteful number, since it uses less digits than its factorization.

7238297328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6840 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 7238297328 is about 85078.1836195390. The cubic root of 7238297328 is about 1934.3963893901.

The spelling of 7238297328 in words is "seven billion, two hundred thirty-eight million, two hundred ninety-seven thousand, three hundred twenty-eight".