74604816 has 120 divisors (see below), whose sum is σ = 245359296. Its totient is φ = 20862720.

The previous prime is 74604809. The next prime is 74604821. The reversal of 74604816 is 61840647.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18781 + ... + 22403.

Almost surely, 2^74604816 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 74604816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122679648).

74604816 is an abundant number, since it is smaller than the sum of its proper divisors (170754480).

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

74604816 is a wasteful number, since it uses less digits than its factorization.

74604816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74604816 is about 8637.4079445167. The cubic root of 74604816 is about 420.9743365779.

The spelling of 74604816 in words is "seventy-four million, six hundred four thousand, eight hundred sixteen".