72216060 has 96 divisors (see below), whose sum is σ = 232942080. Its totient is φ = 16374528.

The previous prime is 72216043. The next prime is 72216071. The reversal of 72216060 is 6061227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72216060.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57762 + ... + 58998.

It is an arithmetic number, because the mean of its divisors is an integer number (2426480).

Almost surely, 2^72216060 is an apocalyptic number.

72216060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72216060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116471040).

72216060 is an abundant number, since it is smaller than the sum of its proper divisors (160726020).

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

72216060 is a wasteful number, since it uses less digits than its factorization.

72216060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72216060 is about 8498.0032948923. The cubic root of 72216060 is about 416.4324813798.

Adding to 72216060 its reverse (6061227), we get a palindrome (78277287).

The spelling of 72216060 in words is "seventy-two million, two hundred sixteen thousand, sixty".