72472211 has 8 divisors (see below), whose sum is σ = 83559264. Its totient is φ = 61568640.

The previous prime is 72472199. The next prime is 72472217. The reversal of 72472211 is 11227427.

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

It is not a de Polignac number, because 72472211 - 2¹⁴ = 72455827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72472217) 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, 45020 + ... + 46601.

It is an arithmetic number, because the mean of its divisors is an integer number (10444908).

Almost surely, 2^72472211 is an apocalyptic number.

72472211 is a deficient number, since it is larger than the sum of its proper divisors (11087053).

72472211 is a wasteful number, since it uses less digits than its factorization.

72472211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91741.

The product of its digits is 1568, while the sum is 26.

The square root of 72472211 is about 8513.0612002969. The cubic root of 72472211 is about 416.9242636101.

Adding to 72472211 its reverse (11227427), we get a palindrome (83699638).

The spelling of 72472211 in words is "seventy-two million, four hundred seventy-two thousand, two hundred eleven".