74504472 has 128 divisors (see below), whose sum is σ = 237427200. Its totient is φ = 18966528.

The previous prime is 74504471. The next prime is 74504473. The reversal of 74504472 is 27440547.

It is an interprime number because it is at equal distance from previous prime (74504471) and next prime (74504473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74504471) 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 31 ways as a sum of consecutive naturals, for example, 53578 + ... + 54950.

It is an arithmetic number, because the mean of its divisors is an integer number (1854900).

Almost surely, 2^74504472 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 74504472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118713600).

74504472 is an abundant number, since it is smaller than the sum of its proper divisors (162922728).

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

74504472 is a wasteful number, since it uses less digits than its factorization.

74504472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 74504472 is about 8631.5973029330. The cubic root of 74504472 is about 420.7855140864.

The spelling of 74504472 in words is "seventy-four million, five hundred four thousand, four hundred seventy-two".