72244260 has 216 divisors, whose sum is σ = 250967808. Its totient is φ = 16790400.

The previous prime is 72244241. The next prime is 72244283. The reversal of 72244260 is 6244227.

It is a happy number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 675127 + ... + 675233.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^72244260 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 72244260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125483904).

72244260 is an abundant number, since it is smaller than the sum of its proper divisors (178723548).

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

72244260 is a wasteful number, since it uses less digits than its factorization.

72244260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 72244260 is about 8499.6623462347. The cubic root of 72244260 is about 416.4866792398.

Adding to 72244260 its reverse (6244227), we get a palindrome (78488487).

The spelling of 72244260 in words is "seventy-two million, two hundred forty-four thousand, two hundred sixty".