75112228872 has 36 divisors (see below), whose sum is σ = 203435251695. Its totient is φ = 25036634448.

The previous prime is 75112228861. The next prime is 75112228897. The reversal of 75112228872 is 27882221157.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 37556114436 + 37556114436 = 193794^2 + 193794^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=193794.

It is a super-2 number, since 2×75112228872² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2309379 + ... + 2341677.

Almost surely, 2^75112228872 is an apocalyptic number.

75112228872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75112228872 is an abundant number, since it is smaller than the sum of its proper divisors (128323022823).

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

75112228872 is an frugal number, since it uses more digits than its factorization.

75112228872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64610 (or 32304 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The spelling of 75112228872 in words is "seventy-five billion, one hundred twelve million, two hundred twenty-eight thousand, eight hundred seventy-two".