67072428320 has 192 divisors, whose sum is σ = 175401676800. Its totient is φ = 24124538880.

The previous prime is 67072428307. The next prime is 67072428323. The reversal of 67072428320 is 2382427076.

It is not an unprimeable number, because it can be changed into a prime (67072428323) 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, 6656246 + ... + 6666314.

It is an arithmetic number, because the mean of its divisors is an integer number (913550400).

Almost surely, 2^67072428320 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 67072428320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87700838400).

67072428320 is an abundant number, since it is smaller than the sum of its proper divisors (108329248480).

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

67072428320 is a wasteful number, since it uses less digits than its factorization.

67072428320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211 (or 10203 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 67072428320 in words is "sixty-seven billion, seventy-two million, four hundred twenty-eight thousand, three hundred twenty".