73001100 has 72 divisors (see below), whose sum is σ = 216166720. Its totient is φ = 19010880.

The previous prime is 73001023. The next prime is 73001119. The reversal of 73001100 is 110037.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10071 + ... + 15729.

Almost surely, 2^73001100 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 73001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108083360).

73001100 is an abundant number, since it is smaller than the sum of its proper divisors (143165620).

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

73001100 is a wasteful number, since it uses less digits than its factorization.

73001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 73001100 is about 8544.0681177060. The cubic root of 73001100 is about 417.9360188390.

Adding to 73001100 its reverse (110037), we get a palindrome (73111137).

The spelling of 73001100 in words is "seventy-three million, one thousand, one hundred".