74454512 has 40 divisors (see below), whose sum is σ = 158656512. Its totient is φ = 33566400.

The previous prime is 74454503. The next prime is 74454517. The reversal of 74454512 is 21545447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20687 + ... + 24017.

Almost surely, 2^74454512 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 74454512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79328256).

74454512 is an abundant number, since it is smaller than the sum of its proper divisors (84202000).

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

74454512 is a wasteful number, since it uses less digits than its factorization.

74454512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3471 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 74454512 is about 8628.7027993784. The cubic root of 74454512 is about 420.6914385478.

Adding to 74454512 its reverse (21545447), we get a palindrome (95999959).

The spelling of 74454512 in words is "seventy-four million, four hundred fifty-four thousand, five hundred twelve".