7173345 has 16 divisors (see below), whose sum is σ = 11636352. Its totient is φ = 3772800.

The previous prime is 7173293. The next prime is 7173347. The reversal of 7173345 is 5433717.

It is not a de Polignac number, because 7173345 - 2¹² = 7169249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7173347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^7173345 is an apocalyptic number.

It is an amenable number.

7173345 is a deficient number, since it is larger than the sum of its proper divisors (4463007).

7173345 is a wasteful number, since it uses less digits than its factorization.

7173345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632.

The product of its digits is 8820, while the sum is 30.

The square root of 7173345 is about 2678.3101015379. The cubic root of 7173345 is about 192.8592941167.

The spelling of 7173345 in words is "seven million, one hundred seventy-three thousand, three hundred forty-five".