7150731844 has 9 divisors (see below), whose sum is σ = 12514076701. Its totient is φ = 3575281360.

The previous prime is 7150731821. The next prime is 7150731853. The reversal of 7150731844 is 4481370517.

It is a happy number.

The square root of 7150731844 is 84562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6978597444 + 172134400 = 83538^2 + 13120^2 .

It is a super-2 number, since 2×7150731844² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7150731797 and 7150731806.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 147984 + ... + 190264.

Almost surely, 2^7150731844 is an apocalyptic number.

7150731844 is the 84562-nd square number.

It is an amenable number.

7150731844 is a deficient number, since it is larger than the sum of its proper divisors (5363344857).

7150731844 is an frugal number, since it uses more digits than its factorization.

7150731844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84566 (or 42283 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The cubic root of 7150731844 is about 1926.5642511435.

The spelling of 7150731844 in words is "seven billion, one hundred fifty million, seven hundred thirty-one thousand, eight hundred forty-four".