73130700 has 36 divisors (see below), whose sum is σ = 211592360. Its totient is φ = 19501440.

The previous prime is 73130699. The next prime is 73130713. The reversal of 73130700 is 703137.

It is a super-3 number, since 3×73130700³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121585 + ... + 122184.

Almost surely, 2^73130700 is an apocalyptic number.

It is an amenable number.

73130700 is an abundant number, since it is smaller than the sum of its proper divisors (138461660).

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

73130700 is a wasteful number, since it uses less digits than its factorization.

73130700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243786 (or 243779 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 73130700 is about 8551.6489637964. The cubic root of 73130700 is about 418.1831954185.

Adding to 73130700 its reverse (703137), we get a palindrome (73833837).

The spelling of 73130700 in words is "seventy-three million, one hundred thirty thousand, seven hundred".