73530260 has 12 divisors (see below), whose sum is σ = 154413588. Its totient is φ = 29412096.

The previous prime is 73530257. The next prime is 73530263. The reversal of 73530260 is 6203537.

It is an interprime number because it is at equal distance from previous prime (73530257) and next prime (73530263).

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 45185284 = 5324^2 + 6722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73530263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838237 + ... + 1838276.

It is an arithmetic number, because the mean of its divisors is an integer number (12867799).

Almost surely, 2^73530260 is an apocalyptic number.

It is an amenable number.

73530260 is an abundant number, since it is smaller than the sum of its proper divisors (80883328).

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

73530260 is a wasteful number, since it uses less digits than its factorization.

73530260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676522 (or 3676520 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 73530260 is about 8574.9787171748. The cubic root of 73530260 is about 418.9434137332.

Adding to 73530260 its reverse (6203537), we get a palindrome (79733797).

The spelling of 73530260 in words is "seventy-three million, five hundred thirty thousand, two hundred sixty".