73291 has 2 divisors, whose sum is σ = 73292. Its totient is φ = 73290.

The previous prime is 73277. The next prime is 73303. The reversal of 73291 is 19237.

It is a strong prime.

It is an emirp because it is prime and its reverse (19237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73291 - 2⁵ = 73259 is a prime.

73291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (73091) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36645 + 36646.

It is an arithmetic number, because the mean of its divisors is an integer number (36646).

2⁷³²⁹¹ is an apocalyptic number.

73291 is a deficient number, since it is larger than the sum of its proper divisors (1).

73291 is an equidigital number, since it uses as much as digits as its factorization.

73291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 22.

The square root of 73291 is about 270.7231057741. The cubic root of 73291 is about 41.8488520207.

The spelling of 73291 in words is "seventy-three thousand, two hundred ninety-one".