73411320 has 128 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 18600960.

The previous prime is 73411319. The next prime is 73411337. The reversal of 73411320 is 2311437.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 211387 + ... + 211733.

It is an arithmetic number, because the mean of its divisors is an integer number (1808730).

Almost surely, 2^73411320 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 73411320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115758720).

73411320 is an abundant number, since it is smaller than the sum of its proper divisors (158106120).

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

73411320 is a wasteful number, since it uses less digits than its factorization.

73411320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 73411320 is about 8568.0406161502. The cubic root of 73411320 is about 418.7174023782.

Adding to 73411320 its reverse (2311437), we get a palindrome (75722757).

The spelling of 73411320 in words is "seventy-three million, four hundred eleven thousand, three hundred twenty".