73021260 has 96 divisors (see below), whose sum is σ = 221840640. Its totient is φ = 17839872.

The previous prime is 73021253. The next prime is 73021271. The reversal of 73021260 is 6212037.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139359 + ... + 139881.

It is an arithmetic number, because the mean of its divisors is an integer number (2310840).

Almost surely, 2^73021260 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 73021260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110920320).

73021260 is an abundant number, since it is smaller than the sum of its proper divisors (148819380).

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

73021260 is a wasteful number, since it uses less digits than its factorization.

73021260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 725 counting only the distinct ones).

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

The square root of 73021260 is about 8545.2478021413. The cubic root of 73021260 is about 417.9744877327.

Adding to 73021260 its reverse (6212037), we get a palindrome (79233297).

The spelling of 73021260 in words is "seventy-three million, twenty-one thousand, two hundred sixty".