72007339 has 2 divisors, whose sum is σ = 72007340. Its totient is φ = 72007338.

The previous prime is 72007301. The next prime is 72007343. The reversal of 72007339 is 93370027.

It is a strong prime.

It is an emirp because it is prime and its reverse (93370027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72007339 - 2¹⁹ = 71483051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72007339.

It is not a weakly prime, because it can be changed into another prime (72007399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36003669 + 36003670.

It is an arithmetic number, because the mean of its divisors is an integer number (36003670).

Almost surely, 2^72007339 is an apocalyptic number.

72007339 is a deficient number, since it is larger than the sum of its proper divisors (1).

72007339 is an equidigital number, since it uses as much as digits as its factorization.

72007339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 72007339 is about 8485.7138179413. The cubic root of 72007339 is about 416.0308990701.

The spelling of 72007339 in words is "seventy-two million, seven thousand, three hundred thirty-nine".