75263843820 has 96 divisors (see below), whose sum is σ = 232006199040. Its totient is φ = 18078370560.

The previous prime is 75263843789. The next prime is 75263843833. The reversal of 75263843820 is 2834836257.

It is a happy number.

It is a super-2 number, since 2×75263843820² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75263843820.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 451162 + ... + 595041.

It is an arithmetic number, because the mean of its divisors is an integer number (2416731240).

Almost surely, 2^75263843820 is an apocalyptic number.

It is an amenable number.

75263843820 is an abundant number, since it is smaller than the sum of its proper divisors (156742355220).

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

75263843820 is a wasteful number, since it uses less digits than its factorization.

75263843820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046335 (or 1046333 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 75263843820 in words is "seventy-five billion, two hundred sixty-three million, eight hundred forty-three thousand, eight hundred twenty".