74308416 has 112 divisors (see below), whose sum is σ = 242035584. Its totient is φ = 19593216.

The previous prime is 74308369. The next prime is 74308417. The reversal of 74308416 is 61480347.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74308417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15346 + ... + 19598.

It is an arithmetic number, because the mean of its divisors is an integer number (2161032).

Almost surely, 2^74308416 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 74308416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121017792).

74308416 is an abundant number, since it is smaller than the sum of its proper divisors (167727168).

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

74308416 is a wasteful number, since it uses less digits than its factorization.

74308416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74308416 is about 8620.2329434882. The cubic root of 74308416 is about 420.4160955729.

The spelling of 74308416 in words is "seventy-four million, three hundred eight thousand, four hundred sixteen".