74533132432 has 20 divisors (see below), whose sum is σ = 157535939376. Its totient is φ = 33878696480.

The previous prime is 74533132409. The next prime is 74533132441. The reversal of 74533132432 is 23423133547.

It is a junction number, because it is equal to n+sod(n) for n = 74533132391 and 74533132400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211741678 + ... + 211742029.

Almost surely, 2^74533132432 is an apocalyptic number.

It is an amenable number.

74533132432 is an abundant number, since it is smaller than the sum of its proper divisors (83002806944).

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

74533132432 is a wasteful number, since it uses less digits than its factorization.

74533132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423483726 (or 423483720 counting only the distinct ones).

The product of its digits is 181440, while the sum is 37.

Adding to 74533132432 its reverse (23423133547), we get a palindrome (97956265979).

The spelling of 74533132432 in words is "seventy-four billion, five hundred thirty-three million, one hundred thirty-two thousand, four hundred thirty-two".