73944936 has 144 divisors (see below), whose sum is σ = 222674400. Its totient is φ = 22149504.

The previous prime is 73944919. The next prime is 73944947. The reversal of 73944936 is 63944937.

73944936 is a `hidden beast` number, since 73 + 94 + 493 + 6 = 666.

73944936 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 73944891 and 73944900.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 717861 + ... + 717963.

It is an arithmetic number, because the mean of its divisors is an integer number (1546350).

Almost surely, 2^73944936 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 73944936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111337200).

73944936 is an abundant number, since it is smaller than the sum of its proper divisors (148729464).

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

73944936 is a wasteful number, since it uses less digits than its factorization.

73944936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

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

The square root of 73944936 is about 8599.1241414460. The cubic root of 73944936 is about 419.7294856680.

Subtracting from 73944936 its reverse (63944937), we obtain a palindrome (9999999).

The spelling of 73944936 in words is "seventy-three million, nine hundred forty-four thousand, nine hundred thirty-six".