72013211 has 8 divisors (see below), whose sum is σ = 77852880. Its totient is φ = 66378528.

The previous prime is 72013187. The next prime is 72013213. The reversal of 72013211 is 11231027.

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

It is a cyclic number.

It is not a de Polignac number, because 72013211 - 2⁶ = 72013147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72013211.

It is not an unprimeable number, because it can be changed into a prime (72013213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50516 + ... + 51921.

It is an arithmetic number, because the mean of its divisors is an integer number (9731610).

Almost surely, 2^72013211 is an apocalyptic number.

72013211 is a deficient number, since it is larger than the sum of its proper divisors (5839669).

72013211 is a wasteful number, since it uses less digits than its factorization.

72013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102493.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 72013211 is about 8486.0598041730. The cubic root of 72013211 is about 416.0422074871.

Adding to 72013211 its reverse (11231027), we get a palindrome (83244238).

It can be divided in two parts, 720 and 13211, that added together give a palindrome (13931).

The spelling of 72013211 in words is "seventy-two million, thirteen thousand, two hundred eleven".