71224363 has 4 divisors (see below), whose sum is σ = 81399280. Its totient is φ = 61049448.

The previous prime is 71224343. The next prime is 71224379. The reversal of 71224363 is 36342217.

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 71224363 - 2¹⁷ = 71093291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71224313) 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, 5087448 + ... + 5087461.

It is an arithmetic number, because the mean of its divisors is an integer number (20349820).

Almost surely, 2^71224363 is an apocalyptic number.

71224363 is a deficient number, since it is larger than the sum of its proper divisors (10174917).

71224363 is a wasteful number, since it uses less digits than its factorization.

71224363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174916.

The product of its digits is 6048, while the sum is 28.

The square root of 71224363 is about 8439.4527666194. The cubic root of 71224363 is about 414.5174882750.

The spelling of 71224363 in words is "seventy-one million, two hundred twenty-four thousand, three hundred sixty-three".