75233475512 has 64 divisors (see below), whose sum is σ = 156336180000. Its totient is φ = 33716113920.

The previous prime is 75233475511. The next prime is 75233475539. The reversal of 75233475512 is 21557433257.

It is a super-2 number, since 2×75233475512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75233475511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1900562 + ... + 1939742.

Almost surely, 2^75233475512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75233475512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78168090000).

75233475512 is an abundant number, since it is smaller than the sum of its proper divisors (81102704488).

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

75233475512 is a wasteful number, since it uses less digits than its factorization.

75233475512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39736 (or 39732 counting only the distinct ones).

The product of its digits is 882000, while the sum is 44.

The spelling of 75233475512 in words is "seventy-five billion, two hundred thirty-three million, four hundred seventy-five thousand, five hundred twelve".