71030130 has 16 divisors (see below), whose sum is σ = 170472384. Its totient is φ = 18941360.

The previous prime is 71030119. The next prime is 71030143. The reversal of 71030130 is 3103017.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183806 + ... + 1183865.

It is an arithmetic number, because the mean of its divisors is an integer number (10654524).

Almost surely, 2^71030130 is an apocalyptic number.

71030130 is an abundant number, since it is smaller than the sum of its proper divisors (99442254).

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

71030130 is a wasteful number, since it uses less digits than its factorization.

71030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367681.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 71030130 is about 8427.9374701050. The cubic root of 71030130 is about 414.1403407613.

Adding to 71030130 its reverse (3103017), we get a palindrome (74133147).

The spelling of 71030130 in words is "seventy-one million, thirty thousand, one hundred thirty".