7137183728 has 20 divisors (see below), whose sum is σ = 14429524368. Its totient is φ = 3413435520.

The previous prime is 7137183727. The next prime is 7137183737. The reversal of 7137183728 is 8273817317.

It is a Smith number, since the sum of its digits (47) 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 (7137183727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9696893 + ... + 9697628.

Almost surely, 2^7137183728 is an apocalyptic number.

It is an amenable number.

7137183728 is an abundant number, since it is smaller than the sum of its proper divisors (7292340640).

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

7137183728 is a wasteful number, since it uses less digits than its factorization.

7137183728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394552 (or 19394546 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 7137183728 is about 84481.8544304042. The cubic root of 7137183728 is about 1925.3467618868.

The spelling of 7137183728 in words is "seven billion, one hundred thirty-seven million, one hundred eighty-three thousand, seven hundred twenty-eight".