73117700 has 72 divisors (see below), whose sum is σ = 172905600. Its totient is φ = 26732160.

The previous prime is 73117699. The next prime is 73117763. The reversal of 73117700 is 771137.

It is a self number, because there is not a number n which added to its sum of digits gives 73117700.

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, 54437 + ... + 55763.

Almost surely, 2^73117700 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 73117700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86452800).

73117700 is an abundant number, since it is smaller than the sum of its proper divisors (99787900).

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

73117700 is a wasteful number, since it uses less digits than its factorization.

73117700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 73117700 is about 8550.8888426876. Note that the first 4 decimals coincide. The cubic root of 73117700 is about 418.1584146552.

Adding to 73117700 its reverse (771137), we get a palindrome (73888837).

The spelling of 73117700 in words is "seventy-three million, one hundred seventeen thousand, seven hundred".