67520222352 has 200 divisors, whose sum is σ = 213987768192. Its totient is φ = 20384006400.

The previous prime is 67520222323. The next prime is 67520222377. The reversal of 67520222352 is 25322202576.

67520222352 is a `hidden beast` number, since 67 + 5 + 20 + 222 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3854638 + ... + 3872114.

Almost surely, 2^67520222352 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 67520222352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106993884096).

67520222352 is an abundant number, since it is smaller than the sum of its proper divisors (146467545840).

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

67520222352 is a wasteful number, since it uses less digits than its factorization.

67520222352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779 (or 17764 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 67520222352 in words is "sixty-seven billion, five hundred twenty million, two hundred twenty-two thousand, three hundred fifty-two".