73838424 has 64 divisors (see below), whose sum is σ = 202176000. Its totient is φ = 22286720.

The previous prime is 73838423. The next prime is 73838431. The reversal of 73838424 is 42483837.

It is a super-2 number, since 2×73838424² = 10904225717607552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73838423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102337 + ... + 103055.

It is an arithmetic number, because the mean of its divisors is an integer number (3159000).

Almost surely, 2^73838424 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 73838424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101088000).

73838424 is an abundant number, since it is smaller than the sum of its proper divisors (128337576).

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

73838424 is a wasteful number, since it uses less digits than its factorization.

73838424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1124 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 73838424 is about 8592.9287207564. The cubic root of 73838424 is about 419.5278594676.

The spelling of 73838424 in words is "seventy-three million, eight hundred thirty-eight thousand, four hundred twenty-four".