74120339 has 2 divisors, whose sum is σ = 74120340. Its totient is φ = 74120338.

The previous prime is 74120279. The next prime is 74120369. The reversal of 74120339 is 93302147.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74120339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74120369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37060169 + 37060170.

It is an arithmetic number, because the mean of its divisors is an integer number (37060170).

Almost surely, 2^74120339 is an apocalyptic number.

74120339 is a deficient number, since it is larger than the sum of its proper divisors (1).

74120339 is an equidigital number, since it uses as much as digits as its factorization.

74120339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 74120339 is about 8609.3169880078. The cubic root of 74120339 is about 420.0611003323.

The spelling of 74120339 in words is "seventy-four million, one hundred twenty thousand, three hundred thirty-nine".