72243411 has 8 divisors (see below), whose sum is σ = 96489360. Its totient is φ = 48079872.

The previous prime is 72243407. The next prime is 72243419. The reversal of 72243411 is 11434227.

It is a happy number.

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

It is not a de Polignac number, because 72243411 - 2² = 72243407 is a prime.

It is a super-2 number, since 2×72243411² = 10438220865829842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72243419) 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, 18526 + ... + 22083.

It is an arithmetic number, because the mean of its divisors is an integer number (12061170).

Almost surely, 2^72243411 is an apocalyptic number.

72243411 is a deficient number, since it is larger than the sum of its proper divisors (24245949).

72243411 is a wasteful number, since it uses less digits than its factorization.

72243411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41205.

The product of its digits is 1344, while the sum is 24.

The square root of 72243411 is about 8499.6124029276. The cubic root of 72243411 is about 416.4850477442.

Adding to 72243411 its reverse (11434227), we get a palindrome (83677638).

The spelling of 72243411 in words is "seventy-two million, two hundred forty-three thousand, four hundred eleven".