74401448 has 48 divisors (see below), whose sum is σ = 155059380. Its totient is φ = 33440000.

The previous prime is 74401441. The next prime is 74401451. The reversal of 74401448 is 84410447.

It can be written as a sum of positive squares in 2 ways, for example, as 73994404 + 407044 = 8602^2 + 638^2 .

It is not an unprimeable number, because it can be changed into a prime (74401441) 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 11 ways as a sum of consecutive naturals, for example, 97388 + ... + 98148.

Almost surely, 2^74401448 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 74401448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77529690).

74401448 is an abundant number, since it is smaller than the sum of its proper divisors (80657932).

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

74401448 is a wasteful number, since it uses less digits than its factorization.

74401448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 74401448 is about 8625.6273974709. The cubic root of 74401448 is about 420.5914720252.

It can be divided in two parts, 7440 and 1448, that added together give a palindrome (8888).

The spelling of 74401448 in words is "seventy-four million, four hundred one thousand, four hundred forty-eight".