74404152 has 96 divisors (see below), whose sum is σ = 214203600. Its totient is φ = 23265792.

The previous prime is 74404129. The next prime is 74404157. The reversal of 74404152 is 25140447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404157) 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 23 ways as a sum of consecutive naturals, for example, 187218 + ... + 187614.

Almost surely, 2^74404152 is an apocalyptic number.

74404152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74404152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107101800).

74404152 is an abundant number, since it is smaller than the sum of its proper divisors (139799448).

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

74404152 is a wasteful number, since it uses less digits than its factorization.

74404152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 74404152 is about 8625.7841382682. The cubic root of 74404152 is about 420.5965672019.

Adding to 74404152 its reverse (25140447), we get a palindrome (99544599).

The spelling of 74404152 in words is "seventy-four million, four hundred four thousand, one hundred fifty-two".