7009345 has 16 divisors (see below), whose sum is σ = 9819648. Its totient is φ = 4703040.

The previous prime is 7009337. The next prime is 7009349. The reversal of 7009345 is 5439007.

It is not a de Polignac number, because 7009345 - 2³ = 7009337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7009349) 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, 486 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (613728).

Almost surely, 2^7009345 is an apocalyptic number.

It is an amenable number.

7009345 is a deficient number, since it is larger than the sum of its proper divisors (2810303).

7009345 is a wasteful number, since it uses less digits than its factorization.

7009345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7009345 is about 2647.5167610423. The cubic root of 7009345 is about 191.3782058621.

The spelling of 7009345 in words is "seven million, nine thousand, three hundred forty-five".