71058730 has 16 divisors (see below), whose sum is σ = 133467264. Its totient is φ = 27187600.

The previous prime is 71058719. The next prime is 71058769. The reversal of 71058730 is 3785017.

It is a junction number, because it is equal to n+sod(n) for n = 71058692 and 71058701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154246 + ... + 154705.

It is an arithmetic number, because the mean of its divisors is an integer number (8341704).

Almost surely, 2^71058730 is an apocalyptic number.

71058730 is a deficient number, since it is larger than the sum of its proper divisors (62408534).

71058730 is a wasteful number, since it uses less digits than its factorization.

71058730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308981.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 71058730 is about 8429.6340371335. The cubic root of 71058730 is about 414.1959172911.

The spelling of 71058730 in words is "seventy-one million, fifty-eight thousand, seven hundred thirty".