73130707 has 4 divisors (see below), whose sum is σ = 78756160. Its totient is φ = 67505256.

The previous prime is 73130699. The next prime is 73130713. The reversal of 73130707 is 70703137.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73130707 - 2³ = 73130699 is a prime.

It is a super-3 number, since 3×73130707³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73130207) 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, 2812707 + ... + 2812732.

It is an arithmetic number, because the mean of its divisors is an integer number (19689040).

Almost surely, 2^73130707 is an apocalyptic number.

73130707 is a deficient number, since it is larger than the sum of its proper divisors (5625453).

73130707 is a wasteful number, since it uses less digits than its factorization.

73130707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625452.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 73130707 is about 8551.6493730742. The cubic root of 73130707 is about 418.1832087612.

It can be divided in two parts, 73130 and 707, that added together give a palindrome (73837).

The spelling of 73130707 in words is "seventy-three million, one hundred thirty thousand, seven hundred seven".