7423345 has 8 divisors (see below), whose sum is σ = 8973864. Its totient is φ = 5894784.

The previous prime is 7423343. The next prime is 7423349. The reversal of 7423345 is 5433247.

It can be written as a sum of positive squares in 4 ways, for example, as 331776 + 7091569 = 576^2 + 2663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7423345 - 2¹ = 7423343 is a prime.

It is a Duffinian number.

7423345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7423343) 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 7 ways as a sum of consecutive naturals, for example, 4734 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1121733).

Almost surely, 2^7423345 is an apocalyptic number.

It is an amenable number.

7423345 is a deficient number, since it is larger than the sum of its proper divisors (1550519).

7423345 is a wasteful number, since it uses less digits than its factorization.

7423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979.

The product of its digits is 10080, while the sum is 28.

The square root of 7423345 is about 2724.5816192583. The cubic root of 7423345 is about 195.0742211436.

The spelling of 7423345 in words is "seven million, four hundred twenty-three thousand, three hundred forty-five".