74071424 has 96 divisors (see below), whose sum is σ = 178765200. Its totient is φ = 29942784.

The previous prime is 74071351. The next prime is 74071433. The reversal of 74071424 is 42417047.

It is a super-3 number, since 3×74071424³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 323342 + ... + 323570.

Almost surely, 2^74071424 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 74071424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89382600).

74071424 is an abundant number, since it is smaller than the sum of its proper divisors (104693776).

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

74071424 is a wasteful number, since it uses less digits than its factorization.

74071424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 74071424 is about 8606.4757014704. The cubic root of 74071424 is about 419.9686749124.

The spelling of 74071424 in words is "seventy-four million, seventy-one thousand, four hundred twenty-four".