72060652320 has 192 divisors, whose sum is σ = 245028913920. Its totient is φ = 17746792448.

The previous prime is 72060652319. The next prime is 72060652327. The reversal of 72060652320 is 2325606027.

It is a happy number.

It is a super-2 number, since 2×72060652320² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72060652327) 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, 207622 + ... + 432698.

It is an arithmetic number, because the mean of its divisors is an integer number (1276192260).

Almost surely, 2^72060652320 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 72060652320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122514456960).

72060652320 is an abundant number, since it is smaller than the sum of its proper divisors (172968261600).

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

72060652320 is a wasteful number, since it uses less digits than its factorization.

72060652320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225147 (or 225139 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 72060652320 in words is "seventy-two billion, sixty million, six hundred fifty-two thousand, three hundred twenty".