71233763 has 4 divisors (see below), whose sum is σ = 71269800. Its totient is φ = 71197728.

The previous prime is 71233759. The next prime is 71233801. The reversal of 71233763 is 36733217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71233763 - 2² = 71233759 is a prime.

It is a super-2 number, since 2×71233763² = 10148497982280338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71233703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14870 + ... + 19067.

It is an arithmetic number, because the mean of its divisors is an integer number (17817450).

Almost surely, 2^71233763 is an apocalyptic number.

71233763 is a deficient number, since it is larger than the sum of its proper divisors (36037).

71233763 is a wasteful number, since it uses less digits than its factorization.

71233763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36036.

The product of its digits is 15876, while the sum is 32.

The square root of 71233763 is about 8440.0096563926. The cubic root of 71233763 is about 414.5357231075.

The spelling of 71233763 in words is "seventy-one million, two hundred thirty-three thousand, seven hundred sixty-three".