73844420 has 48 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 27104640.

The previous prime is 73844417. The next prime is 73844461. The reversal of 73844420 is 2444837.

It is a super-3 number, since 3×73844420³ (a number of 25 digits) contains 333 as substring.

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, 48917 + ... + 50403.

It is an arithmetic number, because the mean of its divisors is an integer number (3499776).

Almost surely, 2^73844420 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 73844420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83994624).

73844420 is an abundant number, since it is smaller than the sum of its proper divisors (94144828).

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

73844420 is a wasteful number, since it uses less digits than its factorization.

73844420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 73844420 is about 8593.2776051981. The cubic root of 73844420 is about 419.5392149869.

The spelling of 73844420 in words is "seventy-three million, eight hundred forty-four thousand, four hundred twenty".