74444508 has 144 divisors (see below), whose sum is σ = 214032000. Its totient is φ = 22534848.

The previous prime is 74444497. The next prime is 74444509. The reversal of 74444508 is 80544447.

74444508 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74444509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535503 + ... + 535641.

Almost surely, 2^74444508 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 74444508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107016000).

74444508 is an abundant number, since it is smaller than the sum of its proper divisors (139587492).

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

74444508 is a wasteful number, since it uses less digits than its factorization.

74444508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 74444508 is about 8628.1230867437. The cubic root of 74444508 is about 420.6725957871.

The spelling of 74444508 in words is "seventy-four million, four hundred forty-four thousand, five hundred eight".