74055816 has 64 divisors (see below), whose sum is σ = 207043200. Its totient is φ = 24525504.

The previous prime is 74055811. The next prime is 74055827. The reversal of 74055816 is 61855047.

74055816 is a `hidden beast` number, since 74 + 0 + 5 + 581 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (74055811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35046 + ... + 37098.

It is an arithmetic number, because the mean of its divisors is an integer number (3235050).

Almost surely, 2^74055816 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 74055816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103521600).

74055816 is an abundant number, since it is smaller than the sum of its proper divisors (132987384).

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

74055816 is a wasteful number, since it uses less digits than its factorization.

74055816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 74055816 is about 8605.5688946170. The cubic root of 74055816 is about 419.9391748651.

The spelling of 74055816 in words is "seventy-four million, fifty-five thousand, eight hundred sixteen".