74336736 has 96 divisors (see below), whose sum is σ = 205970688. Its totient is φ = 23429120.

The previous prime is 74336719. The next prime is 74336741. The reversal of 74336736 is 63763347.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×74336736³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74336694 and 74336703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289120 + ... + 289376.

It is an arithmetic number, because the mean of its divisors is an integer number (2145528).

Almost surely, 2^74336736 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 74336736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102985344).

74336736 is an abundant number, since it is smaller than the sum of its proper divisors (131633952).

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

74336736 is a wasteful number, since it uses less digits than its factorization.

74336736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 416 counting only the distinct ones).

The product of its digits is 190512, while the sum is 39.

The square root of 74336736 is about 8621.8754340341. The cubic root of 74336736 is about 420.4694976515.

The spelling of 74336736 in words is "seventy-four million, three hundred thirty-six thousand, seven hundred thirty-six".