72317411 has 4 divisors (see below), whose sum is σ = 72389400. Its totient is φ = 72245424.

The previous prime is 72317407. The next prime is 72317417. The reversal of 72317411 is 11471327.

It is a happy number.

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 72317411 - 2² = 72317407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72317417) 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, 34466 + ... + 36503.

It is an arithmetic number, because the mean of its divisors is an integer number (18097350).

Almost surely, 2^72317411 is an apocalyptic number.

72317411 is a deficient number, since it is larger than the sum of its proper divisors (71989).

72317411 is a wasteful number, since it uses less digits than its factorization.

72317411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71988.

The product of its digits is 1176, while the sum is 26.

The square root of 72317411 is about 8503.9644284298. The cubic root of 72317411 is about 416.6272031602.

Adding to 72317411 its reverse (11471327), we get a palindrome (83788738).

The spelling of 72317411 in words is "seventy-two million, three hundred seventeen thousand, four hundred eleven".