67765324928 has 256 divisors, whose sum is σ = 168641740800. Its totient is φ = 26463780864.

The previous prime is 67765324903. The next prime is 67765324943. The reversal of 67765324928 is 82942356776.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73737653 + ... + 73738571.

It is an arithmetic number, because the mean of its divisors is an integer number (658756800).

Almost surely, 2^67765324928 is an apocalyptic number.

67765324928 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67765324928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84320870400).

67765324928 is an abundant number, since it is smaller than the sum of its proper divisors (100876415872).

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

67765324928 is a wasteful number, since it uses less digits than its factorization.

67765324928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1095 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 67765324928 in words is "sixty-seven billion, seven hundred sixty-five million, three hundred twenty-four thousand, nine hundred twenty-eight".