67630203528 has 64 divisors (see below), whose sum is σ = 172370203200. Its totient is φ = 22104625920.

The previous prime is 67630203527. The next prime is 67630203679. The reversal of 67630203528 is 82530203676.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 67630203528.

It is not an unprimeable number, because it can be changed into a prime (67630203527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199283 + ... + 2229821.

It is an arithmetic number, because the mean of its divisors is an integer number (2693284425).

Almost surely, 2^67630203528 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 67630203528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86185101600).

67630203528 is an abundant number, since it is smaller than the sum of its proper divisors (104739999672).

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

67630203528 is a wasteful number, since it uses less digits than its factorization.

67630203528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32342 (or 32338 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 67630203528 in words is "sixty-seven billion, six hundred thirty million, two hundred three thousand, five hundred twenty-eight".