74344284 has 96 divisors (see below), whose sum is σ = 227942400. Its totient is φ = 20502720.

The previous prime is 74344253. The next prime is 74344297. The reversal of 74344284 is 48244347.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20229 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (2374400).

Almost surely, 2^74344284 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 74344284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113971200).

74344284 is an abundant number, since it is smaller than the sum of its proper divisors (153598116).

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

74344284 is a wasteful number, since it uses less digits than its factorization.

74344284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440 (or 3432 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 74344284 is about 8622.3131467142. The cubic root of 74344284 is about 420.4837283739.

The spelling of 74344284 in words is "seventy-four million, three hundred forty-four thousand, two hundred eighty-four".