72228060 has 72 divisors (see below), whose sum is σ = 224458416. Its totient is φ = 18789120.

The previous prime is 72228059. The next prime is 72228151. The reversal of 72228060 is 6082227.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2487 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (3117478).

Almost surely, 2^72228060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72228060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112229208).

72228060 is an abundant number, since it is smaller than the sum of its proper divisors (152230356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72228060 is a wasteful number, since it uses less digits than its factorization.

72228060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 72228060 is about 8498.7093137723. The cubic root of 72228060 is about 416.4555460232.

It can be divided in two parts, 722 and 28060, that added together give a palindrome (28782).

The spelling of 72228060 in words is "seventy-two million, two hundred twenty-eight thousand, sixty".