74433816 has 56 divisors (see below), whose sum is σ = 209265780. Its totient is φ = 24809328.

The previous prime is 74433781. The next prime is 74433859. The reversal of 74433816 is 61833447.

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

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 550 + ... + 12213.

Almost surely, 2^74433816 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 74433816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104632890).

74433816 is an abundant number, since it is smaller than the sum of its proper divisors (134831964).

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

74433816 is a wasteful number, since it uses less digits than its factorization.

74433816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12768 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 74433816 is about 8627.5034627637. The cubic root of 74433816 is about 420.6524552964.

The spelling of 74433816 in words is "seventy-four million, four hundred thirty-three thousand, eight hundred sixteen".