73531343 has 2 divisors, whose sum is σ = 73531344. Its totient is φ = 73531342.

The previous prime is 73531331. The next prime is 73531357. The reversal of 73531343 is 34313537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73531343 - 2¹⁰ = 73530319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73531303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765671 + 36765672.

It is an arithmetic number, because the mean of its divisors is an integer number (36765672).

Almost surely, 2^73531343 is an apocalyptic number.

73531343 is a deficient number, since it is larger than the sum of its proper divisors (1).

73531343 is an equidigital number, since it uses as much as digits as its factorization.

73531343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 29.

The square root of 73531343 is about 8575.0418657870. The cubic root of 73531343 is about 418.9454705440.

The spelling of 73531343 in words is "seventy-three million, five hundred thirty-one thousand, three hundred forty-three".