74441472 has 144 divisors (see below), whose sum is σ = 231151872. Its totient is φ = 20828160.

The previous prime is 74441429. The next prime is 74441483. The reversal of 74441472 is 27414447.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327823 + ... + 328049.

Almost surely, 2^74441472 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 74441472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115575936).

74441472 is an abundant number, since it is smaller than the sum of its proper divisors (156710400).

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

74441472 is a wasteful number, since it uses less digits than its factorization.

74441472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 300 counting only the distinct ones).

The product of its digits is 25088, while the sum is 33.

The square root of 74441472 is about 8627.9471486559. The cubic root of 74441472 is about 420.6668770784. Note that the first 3 decimals are identical.

The spelling of 74441472 in words is "seventy-four million, four hundred forty-one thousand, four hundred seventy-two".