73453 has 2 divisors, whose sum is σ = 73454. Its totient is φ = 73452.

The previous prime is 73433. The next prime is 73459. The reversal of 73453 is 35437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 6889 = 258^2 + 83^2 .

It is an emirp because it is prime and its reverse (35437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73453 - 2⁵ = 73421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73459) 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 as a sum of consecutive naturals, namely, 36726 + 36727.

It is an arithmetic number, because the mean of its divisors is an integer number (36727).

2⁷³⁴⁵³ is an apocalyptic number.

It is an amenable number.

73453 is a deficient number, since it is larger than the sum of its proper divisors (1).

73453 is an equidigital number, since it uses as much as digits as its factorization.

73453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 22.

The square root of 73453 is about 271.0221393171. The cubic root of 73453 is about 41.8796631029.

It can be divided in two parts, 734 and 53, that added together give a palindrome (787).

The spelling of 73453 in words is "seventy-three thousand, four hundred fifty-three".