7443345 has 96 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 2903040.

The previous prime is 7443323. The next prime is 7443349. The reversal of 7443345 is 5433447.

It is not a de Polignac number, because 7443345 - 2⁵ = 7443313 is a prime.

7443345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7443349) 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 95 ways as a sum of consecutive naturals, for example, 181525 + ... + 181565.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^7443345 is an apocalyptic number.

It is an amenable number.

7443345 is an abundant number, since it is smaller than the sum of its proper divisors (8644335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7443345 is a wasteful number, since it uses less digits than its factorization.

7443345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 88 counting only the distinct ones).

The product of its digits is 20160, while the sum is 30.

The square root of 7443345 is about 2728.2494387427. The cubic root of 7443345 is about 195.2492539112.

The spelling of 7443345 in words is "seven million, four hundred forty-three thousand, three hundred forty-five".