7289345 has 16 divisors (see below), whose sum is σ = 10585728. Its totient is φ = 4704000.

The previous prime is 7289341. The next prime is 7289363. The reversal of 7289345 is 5439827.

It is not a de Polignac number, because 7289345 - 2² = 7289341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7289299 and 7289308.

It is not an unprimeable number, because it can be changed into a prime (7289341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5531 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (661608).

Almost surely, 2^7289345 is an apocalyptic number.

It is an amenable number.

7289345 is a deficient number, since it is larger than the sum of its proper divisors (3296383).

7289345 is a wasteful number, since it uses less digits than its factorization.

7289345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280.

The product of its digits is 60480, while the sum is 38.

The square root of 7289345 is about 2699.8787009790. The cubic root of 7289345 is about 193.8933147079.

The spelling of 7289345 in words is "seven million, two hundred eighty-nine thousand, three hundred forty-five".