74081432 has 16 divisors (see below), whose sum is σ = 142133640. Its totient is φ = 36179136.

The previous prime is 74081347. The next prime is 74081443. The reversal of 74081432 is 23418047.

It is a junction number, because it is equal to n+sod(n) for n = 74081395 and 74081404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107333 + ... + 108020.

Almost surely, 2^74081432 is an apocalyptic number.

It is an amenable number.

74081432 is a deficient number, since it is larger than the sum of its proper divisors (68052208).

74081432 is a wasteful number, since it uses less digits than its factorization.

74081432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215402 (or 215398 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 74081432 is about 8607.0571044928. The cubic root of 74081432 is about 419.9875884465.

Adding to 74081432 its reverse (23418047), we get a palindrome (97499479).

The spelling of 74081432 in words is "seventy-four million, eighty-one thousand, four hundred thirty-two".