73223836 has 36 divisors (see below), whose sum is σ = 150981600. Its totient is φ = 30977856.

The previous prime is 73223819. The next prime is 73223837. The reversal of 73223836 is 63832237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73223837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13120 + ... + 17848.

Almost surely, 2^73223836 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 73223836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75490800).

73223836 is an abundant number, since it is smaller than the sum of its proper divisors (77757764).

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

73223836 is a wasteful number, since it uses less digits than its factorization.

73223836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826 (or 4817 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 73223836 is about 8557.0927305949. The cubic root of 73223836 is about 418.3606466014.

The spelling of 73223836 in words is "seventy-three million, two hundred twenty-three thousand, eight hundred thirty-six".