7171052090 has 16 divisors (see below), whose sum is σ = 12912742440. Its totient is φ = 2867343360.

The previous prime is 7171052071. The next prime is 7171052093. The reversal of 7171052090 is 902501717.

It can be written as a sum of positive squares in 4 ways, for example, as 4314256489 + 2856795601 = 65683^2 + 53449^2 .

It is not an unprimeable number, because it can be changed into a prime (7171052093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106451 + ... + 160230.

Almost surely, 2^7171052090 is an apocalyptic number.

7171052090 is a deficient number, since it is larger than the sum of its proper divisors (5741690350).

7171052090 is a wasteful number, since it uses less digits than its factorization.

7171052090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269377.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 7171052090 is about 84682.0647480917. The cubic root of 7171052090 is about 1928.3874321478.

The spelling of 7171052090 in words is "seven billion, one hundred seventy-one million, fifty-two thousand, ninety".