75501871232 has 72 divisors (see below), whose sum is σ = 152364867165. Its totient is φ = 37267527168.

The previous prime is 75501871199. The next prime is 75501871283. The reversal of 75501871232 is 23217810557.

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 2 ways, for example, as 62032876096 + 13468995136 = 249064^2 + 116056^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=194296.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75501871232.

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, 463201583 + ... + 463201745.

Almost surely, 2^75501871232 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 75501871232

75501871232 is an abundant number, since it is smaller than the sum of its proper divisors (76862995933).

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

75501871232 is an frugal number, since it uses more digits than its factorization.

75501871232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 75501871232 in words is "seventy-five billion, five hundred one million, eight hundred seventy-one thousand, two hundred thirty-two".