73223634 has 64 divisors (see below), whose sum is σ = 165068928. Its totient is φ = 21644480.

The previous prime is 73223609. The next prime is 73223639. The reversal of 73223634 is 43632237.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73223639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423172 + ... + 423344.

It is an arithmetic number, because the mean of its divisors is an integer number (2579202).

Almost surely, 2^73223634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73223634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82534464).

73223634 is an abundant number, since it is smaller than the sum of its proper divisors (91845294).

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

73223634 is a wasteful number, since it uses less digits than its factorization.

73223634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 242 counting only the distinct ones).

The product of its digits is 18144, while the sum is 30.

The square root of 73223634 is about 8557.0809275126. The cubic root of 73223634 is about 418.3602618955.

The spelling of 73223634 in words is "seventy-three million, two hundred twenty-three thousand, six hundred thirty-four".