73230000 has 100 divisors (see below), whose sum is σ = 236493048. Its totient is φ = 19520000.

The previous prime is 73229969. The next prime is 73230007. The reversal of 73230000 is 3237.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (73230007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 28780 + ... + 31220.

Almost surely, 2^73230000 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 73230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118246524).

73230000 is an abundant number, since it is smaller than the sum of its proper divisors (163263048).

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

73230000 is a wasteful number, since it uses less digits than its factorization.

73230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 73230000 is about 8557.4528920702. The cubic root of 73230000 is about 418.3723855051.

Adding to 73230000 its reverse (3237), we get a palindrome (73233237).

The spelling of 73230000 in words is "seventy-three million, two hundred thirty thousand".