73105130 has 64 divisors (see below), whose sum is σ = 158146560. Its totient is φ = 23803200.

The previous prime is 73105093. The next prime is 73105133. The reversal of 73105130 is 3150137.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73105133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127745 + ... + 128315.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^73105130 is an apocalyptic number.

73105130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73105130 is an abundant number, since it is smaller than the sum of its proper divisors (85041430).

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

73105130 is a wasteful number, since it uses less digits than its factorization.

73105130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 73105130 is about 8550.1537997863. The cubic root of 73105130 is about 418.1344507700.

Adding to 73105130 its reverse (3150137), we get a palindrome (76255267).

The spelling of 73105130 in words is "seventy-three million, one hundred five thousand, one hundred thirty".