73506260 has 12 divisors (see below), whose sum is σ = 154363188. Its totient is φ = 29402496.

The previous prime is 73506253. The next prime is 73506287. The reversal of 73506260 is 6260537.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 61905424 = 3406^2 + 7868^2 .

It is a super-3 number, since 3×73506260³ (a number of 25 digits) contains 333 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1837637 + ... + 1837676.

It is an arithmetic number, because the mean of its divisors is an integer number (12863599).

Almost surely, 2^73506260 is an apocalyptic number.

It is an amenable number.

73506260 is an abundant number, since it is smaller than the sum of its proper divisors (80856928).

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

73506260 is a wasteful number, since it uses less digits than its factorization.

73506260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675322 (or 3675320 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 73506260 is about 8573.5791825818. The cubic root of 73506260 is about 418.8978282556.

Adding to 73506260 its reverse (6260537), we get a palindrome (79766797).

The spelling of 73506260 in words is "seventy-three million, five hundred six thousand, two hundred sixty".