71791130 has 16 divisors (see below), whose sum is σ = 129492000. Its totient is φ = 28656912.

The previous prime is 71791121. The next prime is 71791147. The reversal of 71791130 is 3119717.

It is a junction number, because it is equal to n+sod(n) for n = 71791093 and 71791102.

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, 2204 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (8093250).

Almost surely, 2^71791130 is an apocalyptic number.

71791130 is a deficient number, since it is larger than the sum of its proper divisors (57700870).

71791130 is a wasteful number, since it uses less digits than its factorization.

71791130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 71791130 is about 8472.9646523516. The cubic root of 71791130 is about 415.6140906176.

The spelling of 71791130 in words is "seventy-one million, seven hundred ninety-one thousand, one hundred thirty".