73803996 has 144 divisors (see below), whose sum is σ = 224224000. Its totient is φ = 20448288.

The previous prime is 73803991. The next prime is 73803997. The reversal of 73803996 is 69930837.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73803991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530895 + ... + 531033.

Almost surely, 2^73803996 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 73803996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112112000).

73803996 is an abundant number, since it is smaller than the sum of its proper divisors (150420004).

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

73803996 is a wasteful number, since it uses less digits than its factorization.

73803996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 73803996 is about 8590.9252121061. The cubic root of 73803996 is about 419.4626461285.

The spelling of 73803996 in words is "seventy-three million, eight hundred three thousand, nine hundred ninety-six".