75455434212 has 48 divisors (see below), whose sum is σ = 177530371200. Its totient is φ = 24942919680.

The previous prime is 75455434157. The next prime is 75455434213. The reversal of 75455434212 is 21243455457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75455434213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731364 + ... + 828132.

It is an arithmetic number, because the mean of its divisors is an integer number (3698549400).

Almost surely, 2^75455434212 is an apocalyptic number.

It is an amenable number.

75455434212 is an abundant number, since it is smaller than the sum of its proper divisors (102074936988).

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

75455434212 is a wasteful number, since it uses less digits than its factorization.

75455434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97316 (or 97314 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

Adding to 75455434212 its reverse (21243455457), we get a palindrome (96698889669).

The spelling of 75455434212 in words is "seventy-five billion, four hundred fifty-five million, four hundred thirty-four thousand, two hundred twelve".