73998336 has 56 divisors (see below), whose sum is σ = 197382384. Its totient is φ = 24657920.

The previous prime is 73998329. The next prime is 73998341. The reversal of 73998336 is 63389937.

It is a happy number.

73998336 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23071 + ... + 26081.

Almost surely, 2^73998336 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 73998336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98691192).

73998336 is an abundant number, since it is smaller than the sum of its proper divisors (123384048).

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

73998336 is an equidigital number, since it uses as much as digits as its factorization.

73998336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3016 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 73998336 is about 8602.2285484635. The cubic root of 73998336 is about 419.8304984961.

The spelling of 73998336 in words is "seventy-three million, nine hundred ninety-eight thousand, three hundred thirty-six".