7309240673 has 12 divisors (see below), whose sum is σ = 8683494912. Its totient is φ = 6131762280.

The previous prime is 7309240657. The next prime is 7309240721. The reversal of 7309240673 is 3760429037.

It is not a de Polignac number, because 7309240673 - 2⁴ = 7309240657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7309240673.

It is not an unprimeable number, because it can be changed into a prime (7309240613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584593 + ... + 1589198.

It is an arithmetic number, because the mean of its divisors is an integer number (723624576).

Almost surely, 2^7309240673 is an apocalyptic number.

It is an amenable number.

7309240673 is a deficient number, since it is larger than the sum of its proper divisors (1374254239).

7309240673 is a wasteful number, since it uses less digits than its factorization.

7309240673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173852 (or 3173845 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 7309240673 is about 85494.0972991703. The cubic root of 7309240673 is about 1940.6955978867.

The spelling of 7309240673 in words is "seven billion, three hundred nine million, two hundred forty thousand, six hundred seventy-three".