73180130 has 8 divisors (see below), whose sum is σ = 131724252. Its totient is φ = 29272048.

The previous prime is 73180111. The next prime is 73180139. The reversal of 73180130 is 3108137.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68740681 + 4439449 = 8291^2 + 2107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 73180096 and 73180105.

It is not an unprimeable number, because it can be changed into a prime (73180139) by changing a digit.

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, 3658997 + ... + 3659016.

Almost surely, 2^73180130 is an apocalyptic number.

73180130 is a deficient number, since it is larger than the sum of its proper divisors (58544122).

73180130 is a wasteful number, since it uses less digits than its factorization.

73180130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318020.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 73180130 is about 8554.5385614889. The cubic root of 73180130 is about 418.2773927022.

Adding to 73180130 its reverse (3108137), we get a palindrome (76288267).

The spelling of 73180130 in words is "seventy-three million, one hundred eighty thousand, one hundred thirty".