75500012 has 12 divisors (see below), whose sum is σ = 151000080. Its totient is φ = 32357136.

The previous prime is 75500011. The next prime is 75500023. The reversal of 75500012 is 21000557.

75500012 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

75500012 is an admirable number.

75500012 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (75500011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348187 + ... + 1348242.

It is an arithmetic number, because the mean of its divisors is an integer number (12583340).

Almost surely, 2^75500012 is an apocalyptic number.

It is an amenable number.

75500012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75500012 is a wasteful number, since it uses less digits than its factorization.

75500012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696440 (or 2696438 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 75500012 is about 8689.0742890138. The cubic root of 75500012 is about 422.6514275781.

Adding to 75500012 its reverse (21000557), we get a palindrome (96500569).

The spelling of 75500012 in words is "seventy-five million, five hundred thousand, twelve".