74259744 has 96 divisors (see below), whose sum is σ = 211821120. Its totient is φ = 22643712.

The previous prime is 74259739. The next prime is 74259767. The reversal of 74259744 is 44795247.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 74259696 and 74259705.

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 15 ways as a sum of consecutive naturals, for example, 195747 + ... + 196125.

It is an arithmetic number, because the mean of its divisors is an integer number (2206470).

Almost surely, 2^74259744 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 74259744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105910560).

74259744 is an abundant number, since it is smaller than the sum of its proper divisors (137561376).

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

74259744 is a wasteful number, since it uses less digits than its factorization.

74259744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 554 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 74259744 is about 8617.4093554850. The cubic root of 74259744 is about 420.3242847006.

The spelling of 74259744 in words is "seventy-four million, two hundred fifty-nine thousand, seven hundred forty-four".