73116340 has 96 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 25334400.

The previous prime is 73116331. The next prime is 73116341. The reversal of 73116340 is 4361137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73116341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558075 + ... + 558205.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^73116340 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 73116340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816960).

73116340 is an abundant number, since it is smaller than the sum of its proper divisors (102517580).

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

73116340 is a wasteful number, since it uses less digits than its factorization.

73116340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 73116340 is about 8550.8093184213. The cubic root of 73116340 is about 418.1558220364.

Adding to 73116340 its reverse (4361137), we get a palindrome (77477477).

It can be divided in two parts, 731 and 16340, that added together give a palindrome (17071).

The spelling of 73116340 in words is "seventy-three million, one hundred sixteen thousand, three hundred forty".