74045232 has 40 divisors (see below), whose sum is σ = 212538480. Its totient is φ = 24681600.

The previous prime is 74045227. The next prime is 74045233. The reversal of 74045232 is 23254047.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74045196 and 74045205.

It is not an unprimeable number, because it can be changed into a prime (74045233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85269 + ... + 86132.

It is an arithmetic number, because the mean of its divisors is an integer number (5313462).

Almost surely, 2^74045232 is an apocalyptic number.

74045232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74045232 is an abundant number, since it is smaller than the sum of its proper divisors (138493248).

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

74045232 is a wasteful number, since it uses less digits than its factorization.

74045232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171418 (or 171406 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74045232 is about 8604.9539220149. The cubic root of 74045232 is about 419.9191681178.

Adding to 74045232 its reverse (23254047), we get a palindrome (97299279).

The spelling of 74045232 in words is "seventy-four million, forty-five thousand, two hundred thirty-two".