72079339 has 2 divisors, whose sum is σ = 72079340. Its totient is φ = 72079338.

The previous prime is 72079333. The next prime is 72079361. The reversal of 72079339 is 93397027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72079339 - 2⁵ = 72079307 is a prime.

It is a super-2 number, since 2×72079339² = 10390862221353842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72079333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36039669 + 36039670.

It is an arithmetic number, because the mean of its divisors is an integer number (36039670).

Almost surely, 2^72079339 is an apocalyptic number.

72079339 is a deficient number, since it is larger than the sum of its proper divisors (1).

72079339 is an equidigital number, since it uses as much as digits as its factorization.

72079339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 72079339 is about 8489.9551824494. The cubic root of 72079339 is about 416.1695157119.

The spelling of 72079339 in words is "seventy-two million, seventy-nine thousand, three hundred thirty-nine".