71130563 has 8 divisors (see below), whose sum is σ = 82097760. Its totient is φ = 60364800.

The previous prime is 71130551. The next prime is 71130671. The reversal of 71130563 is 36503117.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71130563 - 2⁸ = 71130307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71130503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49598 + ... + 51011.

It is an arithmetic number, because the mean of its divisors is an integer number (10262220).

Almost surely, 2^71130563 is an apocalyptic number.

71130563 is a deficient number, since it is larger than the sum of its proper divisors (10967197).

71130563 is a wasteful number, since it uses less digits than its factorization.

71130563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100717.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 71130563 is about 8433.8937033852. The cubic root of 71130563 is about 414.3354399800.

The spelling of 71130563 in words is "seventy-one million, one hundred thirty thousand, five hundred sixty-three".