73005839 has 2 divisors, whose sum is σ = 73005840. Its totient is φ = 73005838.

The previous prime is 73005817. The next prime is 73005851. The reversal of 73005839 is 93850037.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73005839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73005799 and 73005808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73005859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36502919 + 36502920.

It is an arithmetic number, because the mean of its divisors is an integer number (36502920).

Almost surely, 2^73005839 is an apocalyptic number.

73005839 is a deficient number, since it is larger than the sum of its proper divisors (1).

73005839 is an equidigital number, since it uses as much as digits as its factorization.

73005839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 73005839 is about 8544.3454401142. The cubic root of 73005839 is about 417.9450623372.

The spelling of 73005839 in words is "seventy-three million, five thousand, eight hundred thirty-nine".