7131741328 has 20 divisors (see below), whose sum is σ = 13905764860. Its totient is φ = 3543156864.

The previous prime is 7131741317. The next prime is 7131741329. The reversal of 7131741328 is 8231471317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3917758464 + 3213982864 = 62592^2 + 56692^2 .

It is not an unprimeable number, because it can be changed into a prime (7131741329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417023 + ... + 1422046.

It is an arithmetic number, because the mean of its divisors is an integer number (695288243).

Almost surely, 2^7131741328 is an apocalyptic number.

It is an amenable number.

7131741328 is a deficient number, since it is larger than the sum of its proper divisors (6774023532).

7131741328 is a wasteful number, since it uses less digits than its factorization.

7131741328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839234 (or 2839228 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 7131741328 is about 84449.6378204193. The cubic root of 7131741328 is about 1924.8572517299.

The spelling of 7131741328 in words is "seven billion, one hundred thirty-one million, seven hundred forty-one thousand, three hundred twenty-eight".