72210441 has 16 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 45120000.

The previous prime is 72210427. The next prime is 72210451. The reversal of 72210441 is 14401227.

It is a happy number.

It is not a de Polignac number, because 72210441 - 2²³ = 63821833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72210451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9981 + ... + 15621.

It is an arithmetic number, because the mean of its divisors is an integer number (6398028).

Almost surely, 2^72210441 is an apocalyptic number.

It is an amenable number.

72210441 is a deficient number, since it is larger than the sum of its proper divisors (30158007).

72210441 is a wasteful number, since it uses less digits than its factorization.

72210441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 72210441 is about 8497.6726813875. The cubic root of 72210441 is about 416.4216804823.

Adding to 72210441 its reverse (14401227), we get a palindrome (86611668).

The spelling of 72210441 in words is "seventy-two million, two hundred ten thousand, four hundred forty-one".