73840339 has 2 divisors, whose sum is σ = 73840340. Its totient is φ = 73840338.

The previous prime is 73840321. The next prime is 73840381. The reversal of 73840339 is 93304837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73840339 - 2⁵ = 73840307 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73840298 and 73840307.

It is not a weakly prime, because it can be changed into another prime (73840309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36920169 + 36920170.

It is an arithmetic number, because the mean of its divisors is an integer number (36920170).

Almost surely, 2^73840339 is an apocalyptic number.

73840339 is a deficient number, since it is larger than the sum of its proper divisors (1).

73840339 is an equidigital number, since it uses as much as digits as its factorization.

73840339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 73840339 is about 8593.0401488647. The cubic root of 73840339 is about 419.5314862554.

The spelling of 73840339 in words is "seventy-three million, eight hundred forty thousand, three hundred thirty-nine".