73223400 has 48 divisors (see below), whose sum is σ = 226994400. Its totient is φ = 19526080.

The previous prime is 73223383. The next prime is 73223413. The reversal of 73223400 is 432237.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60420 + ... + 61619.

It is an arithmetic number, because the mean of its divisors is an integer number (4729050).

Almost surely, 2^73223400 is an apocalyptic number.

It is an amenable number.

73223400 is an abundant number, since it is smaller than the sum of its proper divisors (153771000).

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

73223400 is a wasteful number, since it uses less digits than its factorization.

73223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122058 (or 122049 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 73223400 is about 8557.0672546147. The cubic root of 73223400 is about 418.3598162452.

Adding to 73223400 its reverse (432237), we get a palindrome (73655637).

The spelling of 73223400 in words is "seventy-three million, two hundred twenty-three thousand, four hundred".