72448860 has 96 divisors (see below), whose sum is σ = 228501504. Its totient is φ = 16992000.

The previous prime is 72448853. The next prime is 72448867. The reversal of 72448860 is 6884427.

It is an interprime number because it is at equal distance from previous prime (72448853) and next prime (72448867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72448867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18690 + ... + 22230.

It is an arithmetic number, because the mean of its divisors is an integer number (2380224).

Almost surely, 2^72448860 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 72448860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114250752).

72448860 is an abundant number, since it is smaller than the sum of its proper divisors (156052644).

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

72448860 is a wasteful number, since it uses less digits than its factorization.

72448860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 72448860 is about 8511.6896090024. The cubic root of 72448860 is about 416.8794802642.

The spelling of 72448860 in words is "seventy-two million, four hundred forty-eight thousand, eight hundred sixty".