75469504512 has 120 divisors (see below), whose sum is σ = 204553109152. Its totient is φ = 24743116800.

The previous prime is 75469504507. The next prime is 75469504519. The reversal of 75469504512 is 21540596457.

It is a super-2 number, since 2×75469504512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75469504519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985687 + ... + 3010857.

Almost surely, 2^75469504512 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 75469504512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102276554576).

75469504512 is an abundant number, since it is smaller than the sum of its proper divisors (129083604640).

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

75469504512 is an equidigital number, since it uses as much as digits as its factorization.

75469504512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25263 (or 25237 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 75469504512 in words is "seventy-five billion, four hundred sixty-nine million, five hundred four thousand, five hundred twelve".