73630000 has 100 divisors (see below), whose sum is σ = 184003600. Its totient is φ = 28512000.

The previous prime is 73629979. The next prime is 73630001. The reversal of 73630000 is 3637.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73630000.

It is not an unprimeable number, because it can be changed into a prime (73630001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 369901 + ... + 370099.

It is an arithmetic number, because the mean of its divisors is an integer number (1840036).

Almost surely, 2^73630000 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 73630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92001800).

73630000 is an abundant number, since it is smaller than the sum of its proper divisors (110373600).

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

73630000 is a wasteful number, since it uses less digits than its factorization.

73630000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 73630000 is about 8580.7925041921. The cubic root of 73630000 is about 419.1327531837.

Adding to 73630000 its reverse (3637), we get a palindrome (73633637).

The spelling of 73630000 in words is "seventy-three million, six hundred thirty thousand".