71735130 has 24 divisors (see below), whose sum is σ = 186511572. Its totient is φ = 19129344.

The previous prime is 71735107. The next prime is 71735143. The reversal of 71735130 is 3153717.

It can be written as a sum of positive squares in 2 ways, for example, as 71014329 + 720801 = 8427^2 + 849^2 .

It is a super-2 number, since 2×71735130² = 10291857752233800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71735094 and 71735103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398439 + ... + 398618.

Almost surely, 2^71735130 is an apocalyptic number.

71735130 is an abundant number, since it is smaller than the sum of its proper divisors (114776442).

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

71735130 is a wasteful number, since it uses less digits than its factorization.

71735130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797070 (or 797067 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 71735130 is about 8469.6593792195. The cubic root of 71735130 is about 415.5059972113.

Adding to 71735130 its reverse (3153717), we get a palindrome (74888847).

The spelling of 71735130 in words is "seventy-one million, seven hundred thirty-five thousand, one hundred thirty".