75505300830 has 24 divisors (see below), whose sum is σ = 196313782392. Its totient is φ = 20134746864.

The previous prime is 75505300813. The next prime is 75505300853. The reversal of 75505300830 is 3800350557.

75505300830 is a `hidden beast` number, since 75 + 50 + 530 + 0 + 8 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419473804 + ... + 419473983.

It is an arithmetic number, because the mean of its divisors is an integer number (8179740933).

Almost surely, 2^75505300830 is an apocalyptic number.

75505300830 is an abundant number, since it is smaller than the sum of its proper divisors (120808481562).

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

75505300830 is a wasteful number, since it uses less digits than its factorization.

75505300830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838947800 (or 838947797 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 75505300830 in words is "seventy-five billion, five hundred five million, three hundred thousand, eight hundred thirty".