73453345 has 32 divisors (see below), whose sum is σ = 109299456. Its totient is φ = 46233600.

The previous prime is 73453327. The next prime is 73453349. The reversal of 73453345 is 54335437.

It is not a de Polignac number, because 73453345 - 2⁷ = 73453217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73453345.

It is not an unprimeable number, because it can be changed into a prime (73453349) 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 31 ways as a sum of consecutive naturals, for example, 22890 + ... + 25900.

It is an arithmetic number, because the mean of its divisors is an integer number (3415608).

Almost surely, 2^73453345 is an apocalyptic number.

It is an amenable number.

73453345 is a deficient number, since it is larger than the sum of its proper divisors (35846111).

73453345 is a wasteful number, since it uses less digits than its factorization.

73453345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081.

The product of its digits is 75600, while the sum is 34.

The square root of 73453345 is about 8570.4926929553. The cubic root of 73453345 is about 418.7972867072.

The spelling of 73453345 in words is "seventy-three million, four hundred fifty-three thousand, three hundred forty-five".