71830130 has 16 divisors (see below), whose sum is σ = 129397824. Its totient is φ = 28709040.

The previous prime is 71830091. The next prime is 71830159. The reversal of 71830130 is 3103817.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71830096 and 71830105.

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, 16349 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (8087364).

Almost surely, 2^71830130 is an apocalyptic number.

71830130 is a deficient number, since it is larger than the sum of its proper divisors (57567694).

71830130 is a wasteful number, since it uses less digits than its factorization.

71830130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71830130 is about 8475.2657775435. The cubic root of 71830130 is about 415.6893367531.

Adding to 71830130 its reverse (3103817), we get a palindrome (74933947).

The spelling of 71830130 in words is "seventy-one million, eight hundred thirty thousand, one hundred thirty".