73216100 has 36 divisors (see below), whose sum is σ = 162583344. Its totient is φ = 28603680.

The previous prime is 73216051. The next prime is 73216111. The reversal of 73216100 is 161237.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4214 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (4516204).

Almost surely, 2^73216100 is an apocalyptic number.

It is an amenable number.

73216100 is an abundant number, since it is smaller than the sum of its proper divisors (89367244).

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

73216100 is a wasteful number, since it uses less digits than its factorization.

73216100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17084 (or 17077 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 73216100 is about 8556.6406959741. The cubic root of 73216100 is about 418.3459130023.

Adding to 73216100 its reverse (161237), we get a palindrome (73377337).

The spelling of 73216100 in words is "seventy-three million, two hundred sixteen thousand, one hundred".