73039 has 2 divisors, whose sum is σ = 73040. Its totient is φ = 73038.

The previous prime is 73037. The next prime is 73043. The reversal of 73039 is 93037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73039 - 2¹ = 73037 is a prime.

Together with 73037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36519 + 36520.

It is an arithmetic number, because the mean of its divisors is an integer number (36520).

2⁷³⁰³⁹ is an apocalyptic number.

73039 is a deficient number, since it is larger than the sum of its proper divisors (1).

73039 is an equidigital number, since it uses as much as digits as its factorization.

73039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 73039 is about 270.2572848232. The cubic root of 73039 is about 41.8008332976.

The spelling of 73039 in words is "seventy-three thousand, thirty-nine".