71123763 has 8 divisors (see below), whose sum is σ = 97037248. Its totient is φ = 46313064.

The previous prime is 71123749. The next prime is 71123791. The reversal of 71123763 is 36732117.

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

It is not a de Polignac number, because 71123763 - 2¹² = 71119667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71123763.

It is not an unprimeable number, because it can be changed into a prime (71123713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275545 + ... + 275802.

It is an arithmetic number, because the mean of its divisors is an integer number (12129656).

Almost surely, 2^71123763 is an apocalyptic number.

71123763 is a deficient number, since it is larger than the sum of its proper divisors (25913485).

71123763 is a wasteful number, since it uses less digits than its factorization.

71123763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551393.

The product of its digits is 5292, while the sum is 30.

The square root of 71123763 is about 8433.4905584817. The cubic root of 71123763 is about 414.3222362288.

The spelling of 71123763 in words is "seventy-one million, one hundred twenty-three thousand, seven hundred sixty-three".