72235411 has 4 divisors (see below), whose sum is σ = 73459800. Its totient is φ = 71011024.

The previous prime is 72235409. The next prime is 72235417. The reversal of 72235411 is 11453227.

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 72235411 - 2¹ = 72235409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72235417) 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 3 ways as a sum of consecutive naturals, for example, 612106 + ... + 612223.

It is an arithmetic number, because the mean of its divisors is an integer number (18364950).

Almost surely, 2^72235411 is an apocalyptic number.

72235411 is a deficient number, since it is larger than the sum of its proper divisors (1224389).

72235411 is a wasteful number, since it uses less digits than its factorization.

72235411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224388.

The product of its digits is 1680, while the sum is 25.

The square root of 72235411 is about 8499.1417802035. The cubic root of 72235411 is about 416.4696737776.

Adding to 72235411 its reverse (11453227), we get a palindrome (83688638).

The spelling of 72235411 in words is "seventy-two million, two hundred thirty-five thousand, four hundred eleven".