74943936 has 84 divisors (see below), whose sum is σ = 224192592. Its totient is φ = 23890944.

The previous prime is 74943901. The next prime is 74943949. The reversal of 74943936 is 63934947.

It is a junction number, because it is equal to n+sod(n) for n = 74943891 and 74943900.

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 11 ways as a sum of consecutive naturals, for example, 10420 + ... + 16076.

Almost surely, 2^74943936 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 74943936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112096296).

74943936 is an abundant number, since it is smaller than the sum of its proper divisors (149248656).

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

74943936 is a wasteful number, since it uses less digits than its factorization.

74943936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5685 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 74943936 is about 8657.0165761653. The cubic root of 74943936 is about 421.6112259924.

The spelling of 74943936 in words is "seventy-four million, nine hundred forty-three thousand, nine hundred thirty-six".